एपीए उद्धरण

Ojha, T. (1986). Agricultural engineering. Current Books.

शिकागो स्टाइल उद्धरण

Ojha, T.P. Agricultural Engineering. Thrissur: Current Books, 1986.

एमएलए उद्धरण

Ojha, T.P. Agricultural Engineering. Current Books, 1986.