SS Negi. (1982). Geology for foresters. Bishen Singh Mahendra Pal Singh.
シカゴスタイル引用形SS Negi. Geology for Foresters. Dehra Dun: Bishen Singh Mahendra Pal Singh, 1982.
MLA引用形式SS Negi. Geology for Foresters. Bishen Singh Mahendra Pal Singh, 1982.
警告: この引用は必ずしも正確ではありません.