Calvo-Obando, A., & Ortiz-Malavasi, E. (2012). The fragmentation degree of forest cover in the Fitogeografic Units (FU) of Costa Rica was studied during three years: 1997, 2000 and 2005.
استشهاد بنمط شيكاغوCalvo-Obando, Ana, و Edgar Ortiz-Malavasi. The Fragmentation Degree of Forest Cover in the Fitogeografic Units (FU) of Costa Rica Was Studied During Three Years: 1997, 2000 and 2005. 2012.
MLA استشهادCalvo-Obando, Ana, و Edgar Ortiz-Malavasi. The Fragmentation Degree of Forest Cover in the Fitogeografic Units (FU) of Costa Rica Was Studied During Three Years: 1997, 2000 and 2005. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.