Negi, S. (1996). Manual of Indian forestry: Vol.2. Bishen Singh Mahendra Pal Singh.
Chicago Style aipamenaNegi, S.S. Manual of Indian Forestry: Vol.2. Dehra Dun: Bishen Singh Mahendra Pal Singh, 1996.
MLA aipamenaNegi, S.S. Manual of Indian Forestry: Vol.2. Bishen Singh Mahendra Pal Singh, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.