Balakrishnan, V. (1989). Common problems in gastroenterology (2nd ed.). Jaypee.
Citazione stile Chigago Style (17a edizione)Balakrishnan, V. Common Problems in Gastroenterology. 2nd ed. New Delhi: Jaypee, 1989.
Citatione MLA (9a ed.)Balakrishnan, V. Common Problems in Gastroenterology. 2nd ed. Jaypee, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.