Jeffcoate, S. L., & Sandler, M. (1982). Progress towards a male contraceptive. Wiley.
Chicago Style aipamenaJeffcoate, S. L., and Merton Sandler. Progress Towards a Male Contraceptive. Chichester ; New York: Wiley, 1982.
MLA aipamenaJeffcoate, S. L., and Merton Sandler. Progress Towards a Male Contraceptive. Wiley, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.