एपीए उद्धरण

Kotaiah, B., & Kumara Swami, N. (1994). Enviornmental engineering laboratory manual. Charotar.

शिकागो स्टाइल उद्धरण

Kotaiah, B., और N. Kumara Swami. Enviornmental Engineering Laboratory Manual. Anand: Charotar, 1994.

एमएलए उद्धरण

Kotaiah, B., और N. Kumara Swami. Enviornmental Engineering Laboratory Manual. Charotar, 1994.