Guittar, J. L., Dear, F., & Vaughan, C. (2009). Scarlet Macaw (Ara macao, Psittaciformes: Psittacidae) Nest Characteristics in the Osa Peninsula Conservation Area (ACOSA), Costa Rica.
استشهاد بنمط شيكاغوGuittar, John L., Fiona Dear, و Christopher Vaughan. Scarlet Macaw (Ara Macao, Psittaciformes: Psittacidae) Nest Characteristics in the Osa Peninsula Conservation Area (ACOSA), Costa Rica. 2009.
MLA استشهادGuittar, John L., Fiona Dear, و Christopher Vaughan. Scarlet Macaw (Ara Macao, Psittaciformes: Psittacidae) Nest Characteristics in the Osa Peninsula Conservation Area (ACOSA), Costa Rica. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.