Dyfyniad APA

Rojas Chacón, E. (2011). Vertebrate roadkills in a secondary road in Costa Rica.

Dyfyniad Arddull Chicago

Rojas Chacón, Esteban. Vertebrate Roadkills in a Secondary Road in Costa Rica. 2011.

Dyfyniad MLA

Rojas Chacón, Esteban. Vertebrate Roadkills in a Secondary Road in Costa Rica. 2011.

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