APA (7. basım) Alıntı

Pérez-González, J. C., & Trujillo-Vázquez, J. M. (2008). The importance of certification. Universidad Autónoma de Tamaulipas.

Chicago Style (17. basım) Atıf

Pérez-González, Juan Carlos, ve José Mario Trujillo-Vázquez. The Importance of Certification. Universidad Autónoma de Tamaulipas, 2008.

MLA (8th ed.) Atıf

Pérez-González, Juan Carlos, ve José Mario Trujillo-Vázquez. The Importance of Certification. Universidad Autónoma de Tamaulipas, 2008.