Dyfyniad APA

Hedström, I., Soto-Manitiu, J., & Jirón, L. F. (1985). Two species of fruit flies, Anastrepha (Diptera: Tephritidae), new to Costa Rica.

Dyfyniad Arddull Chicago

Hedström, Ingemar, Julio Soto-Manitiu, y Luis Fernando Jirón. Two Species of Fruit Flies, Anastrepha (Diptera: Tephritidae), New to Costa Rica. 1985.

Dyfyniad MLA

Hedström, Ingemar, Julio Soto-Manitiu, y Luis Fernando Jirón. Two Species of Fruit Flies, Anastrepha (Diptera: Tephritidae), New to Costa Rica. 1985.

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