एपीए उद्धरण

Negi,S.S. (1985). Handbook of silvicultural systems. Bishen Sing Mahendra Sing.

शिकागो स्टाइल उद्धरण

Negi,S.S. Handbook of Silvicultural Systems. Dehradun: Bishen Sing Mahendra Sing, 1985.

एमएलए उद्धरण

Negi,S.S. Handbook of Silvicultural Systems. Bishen Sing Mahendra Sing, 1985.