Cita APA (7th ed.)

Balakrishnan, V. (1989). Common problems in gastroenterology (2nd ed.). Jaypee.

Cita Chicago (17th ed.)

Balakrishnan, V. Common Problems in Gastroenterology. 2nd ed. New Delhi: Jaypee, 1989.

Cita MLA (9th ed.)

Balakrishnan, V. Common Problems in Gastroenterology. 2nd ed. Jaypee, 1989.