Valerio, A. L., & Laurito, C. A. (2011). First record of fossil birds (Pelecaniformes: Pelecanidae and a probably Odontopterygiformes: Pelagornithidae) from the Upper Miocene of Costa Rica.
استشهاد بنمط شيكاغوValerio, Ana L., و César A. Laurito. First Record of Fossil Birds (Pelecaniformes: Pelecanidae and a Probably Odontopterygiformes: Pelagornithidae) From the Upper Miocene of Costa Rica. 2011.
MLA استشهادValerio, Ana L., و César A. Laurito. First Record of Fossil Birds (Pelecaniformes: Pelecanidae and a Probably Odontopterygiformes: Pelagornithidae) From the Upper Miocene of Costa Rica. 2011.
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