Παραπομπή APA

Negi, S. (1997). Manual of Indian forestry: Vol.3. Bishen Singh, Mahendra Pal Singh.

Παραπομπή Chicago Style

Negi, S.S. Manual of Indian Forestry: Vol.3. Dehra Dun: Bishen Singh, Mahendra Pal Singh, 1997.

Παραπομπή MLA

Negi, S.S. Manual of Indian Forestry: Vol.3. Bishen Singh, Mahendra Pal Singh, 1997.