Dyfyniad APA

Espadaler, X., Pérez Hidalgo, N., & Villalobos Muller, W. (2012). Ant–Aphid Relations in Costa Rica, Central America (Hymenoptera: Formicidae; Hemiptera: Aphididae).

Dyfyniad Arddull Chicago

Espadaler, Xavier, Nicolás Pérez Hidalgo, y William Villalobos Muller. Ant–Aphid Relations in Costa Rica, Central America (Hymenoptera: Formicidae; Hemiptera: Aphididae). 2012.

Dyfyniad MLA

Espadaler, Xavier, Nicolás Pérez Hidalgo, y William Villalobos Muller. Ant–Aphid Relations in Costa Rica, Central America (Hymenoptera: Formicidae; Hemiptera: Aphididae). 2012.

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