APA استشهاد

SINGH, G., & VENKATARAMANAN, C. (1996). MANUAL OF SOIL AND WATER CONSERVATION PRACTICES.

استشهاد بنمط شيكاغو

SINGH, GURMEL, و C. VENKATARAMANAN. MANUAL OF SOIL AND WATER CONSERVATION PRACTICES. NEW DELHI, OXFORD & IBH, 1996.

MLA استشهاد

SINGH, GURMEL, و C. VENKATARAMANAN. MANUAL OF SOIL AND WATER CONSERVATION PRACTICES. 1996.