APA-referens

Umaña, G. (2009). Comparison of basic limnological aspects of some crater lakes in the Cordillera Volcánica Central, Costa Rica.

Chicago-stil citat

Umaña, Gerardo. Comparison of Basic Limnological Aspects of Some Crater Lakes in the Cordillera Volcánica Central, Costa Rica. 2009.

MLA-referens

Umaña, Gerardo. Comparison of Basic Limnological Aspects of Some Crater Lakes in the Cordillera Volcánica Central, Costa Rica. 2009.

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