Dyfyniad APA

Mora-Alvarado, D., & Portuguez-Barquero, C. F. (2018). Water for human consumption and sanitation in Costa Rica to 2016. Goals to 2022 and 2030.

Dyfyniad Arddull Chicago

Mora-Alvarado, Darner, y Carlos Felipe Portuguez-Barquero. Water for Human Consumption and Sanitation in Costa Rica to 2016. Goals to 2022 and 2030. 2018.

Dyfyniad MLA

Mora-Alvarado, Darner, y Carlos Felipe Portuguez-Barquero. Water for Human Consumption and Sanitation in Costa Rica to 2016. Goals to 2022 and 2030. 2018.

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