APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

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