Παραπομπή APA

Gautam, M. (1989). Evaluation and development of groundwater. Ashish.

Παραπομπή Chicago Style

Gautam, Mahajan. Evaluation and Development of Groundwater. New Delhi: Ashish, 1989.

Παραπομπή MLA

Gautam, Mahajan. Evaluation and Development of Groundwater. Ashish, 1989.