Baird, S. M. (1998). Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive. s.n.
Citazione stile Chigago Style (17a edizione)Baird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive. California: s.n, 1998.
Citatione MLA (9a ed.)Baird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive. s.n, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.