Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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