APA (7th ed.) Zitazioa

Lester, J. D. (1987). Writing research papers: A complete guide (5th ed.). Scott, Foresman.

Chicago Style (17th ed.) Zitazioa

Lester, James D. Writing Research Papers: A Complete Guide. 5th ed. Glenview, Illinois: Scott, Foresman, 1987.

MLA (9th ed.) Zitazioa

Lester, James D. Writing Research Papers: A Complete Guide. 5th ed. Scott, Foresman, 1987.