Williams. (1985). Textbook of endocrinology (7.ed.). W.B. Sauders Company.
Chicago Style aipamenaWilliams. Textbook of Endocrinology. 7.ed. Philadelphia: W.B. Sauders Company, 1985.
MLA aipamenaWilliams. Textbook of Endocrinology. 7.ed. W.B. Sauders Company, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.