APA aipamena

Walton,William C. (1970). Groundwater resource evaluation. McGraw hill.

Chicago Style aipamena

Walton,William C. Groundwater Resource Evaluation. London: McGraw hill, 1970.

MLA aipamena

Walton,William C. Groundwater Resource Evaluation. McGraw hill, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.