Dyfyniad APA

Pérez-Castillo, A. G., Barboza-Mora, R., & Ramos-Matarrita, J. F. (2013). Water quality of the Refugio Mata Redonda and surrounding rice paddies, Guanacaste, Costa Rica.

Dyfyniad Arddull Chicago

Pérez-Castillo, Ana Gabriela, Ronny Barboza-Mora, y José Francisco Ramos-Matarrita. Water Quality of the Refugio Mata Redonda and Surrounding Rice Paddies, Guanacaste, Costa Rica. 2013.

Dyfyniad MLA

Pérez-Castillo, Ana Gabriela, Ronny Barboza-Mora, y José Francisco Ramos-Matarrita. Water Quality of the Refugio Mata Redonda and Surrounding Rice Paddies, Guanacaste, Costa Rica. 2013.

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