एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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