APA-viite

Vasquez-Obando, D. (2012). The Water our treasure: Environmental Educational Program to the rational use of the hidric resource of Santa Marta, Puriscal, Costa Rica.

Chicago-tyylinen lähdeviittaus

Vasquez-Obando, Daniela. The Water Our Treasure: Environmental Educational Program to the Rational Use of the Hidric Resource of Santa Marta, Puriscal, Costa Rica. 2012.

MLA-viite

Vasquez-Obando, Daniela. The Water Our Treasure: Environmental Educational Program to the Rational Use of the Hidric Resource of Santa Marta, Puriscal, Costa Rica. 2012.

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