APA-viite (7. p.)

R. Johnson, L. (1981). Gastrointestinal Physiology (2nd ed.). C. V. Mosby.

Chicago-viite (17. p.)

R. Johnson, Leonard. Gastrointestinal Physiology. 2nd ed. USA: C. V. Mosby, 1981.

MLA-viite (9. p.)

R. Johnson, Leonard. Gastrointestinal Physiology. 2nd ed. C. V. Mosby, 1981.