APA-referens

Negi, S. S. (1985). Handbook of siivicultural systems.

Chicago-stil citat

Negi, S S. Handbook of Siivicultural Systems. Dehra Dun, Bishen Singh Mahendra Pal Singh, 1985.

MLA-referens

Negi, S S. Handbook of Siivicultural Systems. 1985.