Iñigo Elías, E. E. (1987). Feeding habitats and ingestion of synthetic products in a Black vulture population from Chiapas, Mexico. Instituto de Ecología, A.C.
Chicago-viite (17. p.)Iñigo Elías, Eduardo E. Feeding Habitats and Ingestion of Synthetic Products in a Black Vulture Population from Chiapas, Mexico. Instituto de Ecología, A.C, 1987.
MLA-viite (9. p.)Iñigo Elías, Eduardo E. Feeding Habitats and Ingestion of Synthetic Products in a Black Vulture Population from Chiapas, Mexico. Instituto de Ecología, A.C, 1987.
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