Παραπομπή APA

Indian standardds institution. (1985). Code of practice for installation of septic tanks (1.). Indian Standards Institution.

Παραπομπή Chicago Style

Indian standardds institution. Code of Practice for Installation of Septic Tanks. 1. New Delhi: Indian Standards Institution, 1985.

Παραπομπή MLA

Indian standardds institution. Code of Practice for Installation of Septic Tanks. 1. Indian Standards Institution, 1985.