León León, G. (2010). An Environmental Management Experience Within the Project: Improvement of Educational Opportunities in Rural Environmental Management in Sarapiqui and Guapiles’ Schools.
استشهاد بنمط شيكاغوLeón León, Giselle. An Environmental Management Experience Within the Project: Improvement of Educational Opportunities in Rural Environmental Management in Sarapiqui and Guapiles’ Schools. 2010.
MLA استشهادLeón León, Giselle. An Environmental Management Experience Within the Project: Improvement of Educational Opportunities in Rural Environmental Management in Sarapiqui and Guapiles’ Schools. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.