Negi,S.S. (1985). Handbook of silvicultural systems. Bishen Sing Mahendra Sing.
Chicago Style aipamenaNegi,S.S. Handbook of Silvicultural Systems. Dehradun: Bishen Sing Mahendra Sing, 1985.
MLA aipamenaNegi,S.S. Handbook of Silvicultural Systems. Bishen Sing Mahendra Sing, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.