Acevedo-Gutiérrez, A. (1994). First records of occurrence and nesting of three bird species at Isla del Coco, Costa Rica.
استشهاد بنمط شيكاغوAcevedo-Gutiérrez, Alejandro. First Records of Occurrence and Nesting of Three Bird Species At Isla Del Coco, Costa Rica. 1994.
MLA استشهادAcevedo-Gutiérrez, Alejandro. First Records of Occurrence and Nesting of Three Bird Species At Isla Del Coco, Costa Rica. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.