Dyfyniad APA

Marin Arias, L., Ureña Cascante, M. E., & Fernández Rojas, X. (2017). Duration of exclusive breastfeeding in an urban and rural community in Costa Rica.

Dyfyniad Arddull Chicago

Marin Arias, Lilliam, María Elena Ureña Cascante, y Xinia Fernández Rojas. Duration of Exclusive Breastfeeding in an Urban and Rural Community in Costa Rica. 2017.

Dyfyniad MLA

Marin Arias, Lilliam, María Elena Ureña Cascante, y Xinia Fernández Rojas. Duration of Exclusive Breastfeeding in an Urban and Rural Community in Costa Rica. 2017.

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