Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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