APA استشهاد

Gower, A. M. (1980). Water quality in catchment ecosystems. John wiley.

استشهاد بنمط شيكاغو

Gower, A. M. Water Quality in Catchment Ecosystems. Toronto: John wiley, 1980.

MLA استشهاد

Gower, A. M. Water Quality in Catchment Ecosystems. John wiley, 1980.