Ramos-Alcocer, J. F. (2009). Unwanted teenage pregnancy, can it be prevented? UAT promotes awareness. Universidad Autónoma de Tamaulipas.
Čikaški stil citiranja (17. izdanje)Ramos-Alcocer, José Francisco. Unwanted Teenage Pregnancy, Can It Be Prevented? UAT Promotes Awareness. Universidad Autónoma de Tamaulipas, 2009.
MLA način citiranja (8. izdanje)Ramos-Alcocer, José Francisco. Unwanted Teenage Pregnancy, Can It Be Prevented? UAT Promotes Awareness. Universidad Autónoma de Tamaulipas, 2009.
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