APA استشهاد

Fontana Hernández, A., & Sánchez León, M. (2013). Student Assistance in Addressing Educational Needs: A Strategy of Quality Education Project of Universidad Nacional, Costa Rica.

استشهاد بنمط شيكاغو

Fontana Hernández, Angélica, و Marcela Sánchez León. Student Assistance in Addressing Educational Needs: A Strategy of Quality Education Project of Universidad Nacional, Costa Rica. 2013.

MLA استشهاد

Fontana Hernández, Angélica, و Marcela Sánchez León. Student Assistance in Addressing Educational Needs: A Strategy of Quality Education Project of Universidad Nacional, Costa Rica. 2013.

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