Dyfyniad APA

Rodríguez-Estrella, R., & Ortega-Rubio, A. (1993). Nest site charaderistics and reproductive success of burrowing owls (Strigiformes: Strigidae) in Durango, Mexico.

Dyfyniad Arddull Chicago

Rodríguez-Estrella, Ricardo, y Alfredo Ortega-Rubio. Nest Site Charaderistics and Reproductive Success of Burrowing Owls (Strigiformes: Strigidae) in Durango, Mexico. 1993.

Dyfyniad MLA

Rodríguez-Estrella, Ricardo, y Alfredo Ortega-Rubio. Nest Site Charaderistics and Reproductive Success of Burrowing Owls (Strigiformes: Strigidae) in Durango, Mexico. 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.