APA aipamena

Berry, R. (1986). How to write a research paper (2nd ed.). Pergamon Press.

Chicago Style aipamena

Berry, Ralph. How to Write a Research Paper. 2nd ed. Oxford: Pergamon Press, 1986.

MLA aipamena

Berry, Ralph. How to Write a Research Paper. 2nd ed. Pergamon Press, 1986.