एपीए उद्धरण

Zhen-Wu, B. Y. (2010). Indices of water quality in the watershed of Victoria creek, Guanacaste, Costa Rica (2007-2008).

शिकागो स्टाइल उद्धरण

Zhen-Wu, Bi Yun. Indices of Water Quality in the Watershed of Victoria Creek, Guanacaste, Costa Rica (2007-2008). 2010.

एमएलए उद्धरण

Zhen-Wu, Bi Yun. Indices of Water Quality in the Watershed of Victoria Creek, Guanacaste, Costa Rica (2007-2008). 2010.