APA-viite

León León, G. (2010). An Environmental Management Experience Within the Project: Improvement of Educational Opportunities in Rural Environmental Management in Sarapiqui and Guapiles’ Schools.

Chicago-tyylinen lähdeviittaus

León León, Giselle. An Environmental Management Experience Within the Project: Improvement of Educational Opportunities in Rural Environmental Management in Sarapiqui and Guapiles’ Schools. 2010.

MLA-viite

León León, Giselle. An Environmental Management Experience Within the Project: Improvement of Educational Opportunities in Rural Environmental Management in Sarapiqui and Guapiles’ Schools. 2010.

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