González, J. (1999). Diversity and abundance of birds in coffee plantations with and without shade.
استشهاد بنمط شيكاغوGonzález, Jorge. Diversity and Abundance of Birds in Coffee Plantations With and Without Shade. 1999.
MLA استشهادGonzález, Jorge. Diversity and Abundance of Birds in Coffee Plantations With and Without Shade. 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.