Saat membuat tulisan ilmiah, baik itu jurnal, skripsi, tesis, maupun disertasi, perlu kiranya mencari literatur sebagai bahan pertimbangan, dalam menentukan judul maupun topik, berikut adalah beberapa sumber yang bisa dijadikan referensi akan melakukan penelitian.

• Academia : https://academia.edu.
• Academic microsoft : https://academic.microsoft.com/
• Book yards : https://bookyards.com/
• Bookboon : https://bookboon.com/
• Doaj : https://doaj.org/
• Ebook https://123dok.com
• Ebook https://fdokumen.com
• Ebook https://www.googlebook.com
• Ebook https://www.pdfdrive.com
• Elsevier : https://www.elsevier.com/search-results/
• EmeraldInsight : https://www.emeraldinsight.com
• Eureka Pendidikan : https://eurekapendidikan.com/
• Free computer books : https://freecomputerbooks.net/
• Google Scholar : https://scholar.google.co.id/
• Google Semantic Scholar : https://www.semanticscholar.org/
• Gutenberg : https://gutenberg.org/
• IEEE : https://ieeexplore.ieee.org/Xplore/home.jsp
• International digital children's library : https://en.childrenslibrary.org/
• Library Genesis : https://libgen.is/
• Libri vox : https://Librivox.org/
• Many Books : https://manybooks.net
• Mendeley : https://www.mendeley.com/search/
• Moraref : http://moraref.kemenag.go.id/
• Neliti : https://neliti.com/
• OAPEN : https://oapen.org/
• Open Library : https://openlibrary.org/
• Perpusnas : http://e-resources.perpusnas.go.id/
• Portal Garuda : http://garuda.ristekbrin.go.id
• Questia Public Library : https://Questia.com/
• Read print : https://readprint.com/
• Research gate : https://researchgate.net/
• Sci hub : https://scihub.org/
• Science direct : https://sciencedirect.com/
• Scribd : http://id.scribd.com/
• Slide share : https://slideshare.net/
• Wikibooks: https://Wikibooks.org/
• Wiley Online Library : https://onlinelibrary.wiley.com

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