एपीए उद्धरण

Chatwal, G. R. (1990). Synthetic Dyes. Himalaya Publishing.

शिकागो स्टाइल उद्धरण

Chatwal, Gurdeep R. Synthetic Dyes. Bombay: Himalaya Publishing, 1990.

एमएलए उद्धरण

Chatwal, Gurdeep R. Synthetic Dyes. Himalaya Publishing, 1990.