APA-referens (7:e uppl.)

Harr, M. E. (1962). Groundwater and seepage. McGraw-Hill.

Chicago-referens (17:e uppl.)

Harr, Milton Edward. Groundwater and Seepage. New York: McGraw-Hill, 1962.

MLA-referens (8:e uppl.)

Harr, Milton Edward. Groundwater and Seepage. McGraw-Hill, 1962.