Παραπομπή APA

Todd, D. K. (2007). Groundwater hydrology (2nd.). Wiley India.

Παραπομπή Chicago Style

Todd, David Keith. Groundwater Hydrology. 2nd. New Delhi: Wiley India, 2007.

Παραπομπή MLA

Todd, David Keith. Groundwater Hydrology. 2nd. Wiley India, 2007.