APA استشهاد

Todd, D. K. (2005). Groundwater hydrology/2nd ed (2nd ed.). John Wiley and Sons.

استشهاد بنمط شيكاغو

Todd, David Keith. Groundwater Hydrology/2nd Ed. 2nd ed. USA: John Wiley and Sons, 2005.

MLA استشهاد

Todd, David Keith. Groundwater Hydrology/2nd Ed. 2nd ed. John Wiley and Sons, 2005.