Παραπομπή σε μορφή APA (7η εκδ.)

Baird, S. M. (1998). Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive. s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Baird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive. California: s.n, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Baird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive. s.n, 1998.