Παραπομπή APA

Sewa Singh. (1990). Practical manual of colon classification: Edition-7. Jaico Publishing House.

Παραπομπή Chicago Style

Sewa Singh. Practical Manual of Colon Classification: Edition-7. Bombay: Jaico Publishing House, 1990.

Παραπομπή MLA

Sewa Singh. Practical Manual of Colon Classification: Edition-7. Jaico Publishing House, 1990.