Blanco, G., & Sandoval Vargas, L. A. (2019). Three new bird species for Cocos Island, Costa Rica, and additional observations of other vagrants.
استشهاد بنمط شيكاغوBlanco, Guillermo, و Luis Andrés Sandoval Vargas. Three New Bird Species for Cocos Island, Costa Rica, and Additional Observations of Other Vagrants. 2019.
MLA استشهادBlanco, Guillermo, و Luis Andrés Sandoval Vargas. Three New Bird Species for Cocos Island, Costa Rica, and Additional Observations of Other Vagrants. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.