APA Alıntı

Ramírez, M. d. R., Hernández Fajardo, A., & Morales, C. (1977). Philosophy in the preparatory certificate of social Sciences of the Universidad Nacional of Costa Rica.

Chicago Stili Alıntı

Ramírez, María del Rosario, Axel Hernández Fajardo, ve Carlos Morales. Philosophy in the Preparatory Certificate of Social Sciences of the Universidad Nacional of Costa Rica. 1977.

MLA Alıntı

Ramírez, María del Rosario, Axel Hernández Fajardo, ve Carlos Morales. Philosophy in the Preparatory Certificate of Social Sciences of the Universidad Nacional of Costa Rica. 1977.