Lua APA (7ú heag.)
Ward, S. M., Freeman, R. S., & Nixon, J. M. (2016). Academic e-books: Publishers, librarians, and users. Purdue University Press.
Lua i Stíl Chicago (17ú heag.)
Ward, Suzanne M., Robert S. Freeman, agus Judith M. Nixon. Academic E-books: Publishers, Librarians, and Users. West Lafayette, Indiana: Purdue University Press, 2016.
Lua MLA (9ú heag.)
Ward, Suzanne M., et al. Academic E-books: Publishers, Librarians, and Users. Purdue University Press, 2016.
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