Hutchinson, H. D. (1973). The hutchinson guide to writing research papers. Glencoe Press.
Chicago Style aipamenaHutchinson, Helene D. The Hutchinson Guide to Writing Research Papers. New York: Glencoe Press, 1973.
MLA aipamenaHutchinson, Helene D. The Hutchinson Guide to Writing Research Papers. Glencoe Press, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.