Tinajero, R., & Rodríguez Estrella, R. (2011). A red-tailed hawk with an abnormal bill, a noteworthy record in Baja California Sur, Mexico. Instituto de Ecología, A.C.
Čikaški stil citiranja (17. izdanje)Tinajero, Romeo, i Ricardo Rodríguez Estrella. A Red-tailed Hawk with an Abnormal Bill, a Noteworthy Record in Baja California Sur, Mexico. Instituto de Ecología, A.C, 2011.
MLA način citiranja (9. izdanje)Tinajero, Romeo, i Ricardo Rodríguez Estrella. A Red-tailed Hawk with an Abnormal Bill, a Noteworthy Record in Baja California Sur, Mexico. Instituto de Ecología, A.C, 2011.
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