APA aipamena

SS Negi. (1982). Geology for foresters. Bishen Singh Mahendra Pal Singh.

Chicago Style aipamena

SS Negi. Geology for Foresters. Dehra Dun: Bishen Singh Mahendra Pal Singh, 1982.

MLA aipamena

SS Negi. Geology for Foresters. Bishen Singh Mahendra Pal Singh, 1982.