Freile, J., Krabbe, N., Piedrahita, P., Buitrón-Jurado, G., Rodríguez-Saltos, C., Ahlman, F., . . . Bonaccorso, E. (2014). Birds, Nangaritza River Valley, Zamora Chinchipe Province, Southeast Ecuador: Update and revision.
Čikaški stil citiranja (17. izdanje)Freile, Juan, Niels Krabbe, Paolo Piedrahita, Galo Buitrón-Jurado, Carlos Rodríguez-Saltos, Fredrik Ahlman, Dusan Brinkhuizen, i Elisa Bonaccorso. Birds, Nangaritza River Valley, Zamora Chinchipe Province, Southeast Ecuador: Update and Revision. 2014.
MLA način citiranja (9. izdanje)Freile, Juan, et al. Birds, Nangaritza River Valley, Zamora Chinchipe Province, Southeast Ecuador: Update and Revision. 2014.
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