एपीए उद्धरण

Avalos, G., Soto, A., & Alfaro, W. (2012). Effect of artificial feeders on pollen loads of the hummingbirds of Cerro de La Muerte, Costa Rica.

शिकागो स्टाइल उद्धरण

Avalos, Gerardo, Alejandra Soto, और Willy Alfaro. Effect of Artificial Feeders On Pollen Loads of the Hummingbirds of Cerro De La Muerte, Costa Rica. 2012.

एमएलए उद्धरण

Avalos, Gerardo, Alejandra Soto, और Willy Alfaro. Effect of Artificial Feeders On Pollen Loads of the Hummingbirds of Cerro De La Muerte, Costa Rica. 2012.