Παραπομπή APA

Duggal, K. N., & Soni , J. P. (1996). Elements of water resources engineering. Newage international Publishers.

Παραπομπή Chicago Style

Duggal, K. N., και J. P. Soni. Elements of Water Resources Engineering. New Delhi: Newage international Publishers, 1996.

Παραπομπή MLA

Duggal, K. N., και J. P. Soni. Elements of Water Resources Engineering. Newage international Publishers, 1996.