Dyfyniad APA

Azofeifa, J., & Barrantes, R. (1991). Genetic variation in the Bribri and Cabecar Amerindians from Talamanca, Costa Rica.

Dyfyniad Arddull Chicago

Azofeifa, Jorge, y Ramiro Barrantes. Genetic Variation in the Bribri and Cabecar Amerindians From Talamanca, Costa Rica. 1991.

Dyfyniad MLA

Azofeifa, Jorge, y Ramiro Barrantes. Genetic Variation in the Bribri and Cabecar Amerindians From Talamanca, Costa Rica. 1991.

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