Williams, R. H. (1968). Textbook of endocrinology (4a. ed.). W.B. Saunders.
Chicago Style (17th ed.) ZitazioaWilliams, Robert H. Textbook of Endocrinology. 4a. ed. Filadelfia: W.B. Saunders, 1968.
MLA (9th ed.) ZitazioaWilliams, Robert H. Textbook of Endocrinology. 4a. ed. W.B. Saunders, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.