Indian standardds institution. (1985). Code of practice for installation of septic tanks (1.). Indian Standards Institution.
シカゴスタイル引用形Indian standardds institution. Code of Practice for Installation of Septic Tanks. 1. New Delhi: Indian Standards Institution, 1985.
MLA引用形式Indian standardds institution. Code of Practice for Installation of Septic Tanks. 1. Indian Standards Institution, 1985.
警告: この引用は必ずしも正確ではありません.