Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.