Mora -Alvarado, D. A., & Portuguez-Barquero, C. F. (2019). Drinking-water in Costa Rica: From millennium development goals to Sustainable Development goals.
استشهاد بنمط شيكاغوMora -Alvarado, Darner Adrián, و Carlos Felipe Portuguez-Barquero. Drinking-water in Costa Rica: From Millennium Development Goals to Sustainable Development Goals. 2019.
MLA استشهادMora -Alvarado, Darner Adrián, و Carlos Felipe Portuguez-Barquero. Drinking-water in Costa Rica: From Millennium Development Goals to Sustainable Development Goals. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.