APA استشهاد

Guzmán-Arias, I., & Calvo-Alvarado, J. C. (2013). Planning and development of Costa Rica water resources: Current status and perspectives.

استشهاد بنمط شيكاغو

Guzmán-Arias, Isabel, و Julio César Calvo-Alvarado. Planning and Development of Costa Rica Water Resources: Current Status and Perspectives. 2013.

MLA استشهاد

Guzmán-Arias, Isabel, و Julio César Calvo-Alvarado. Planning and Development of Costa Rica Water Resources: Current Status and Perspectives. 2013.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.