Tiusaba Rivas, A. (2017). To Prevent and To Educate: On the History Of Sex Education in Colombia. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Tiusaba Rivas, Alejandro. To Prevent and To Educate: On the History Of Sex Education in Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Lua MLA (9ú heag.)Tiusaba Rivas, Alejandro. To Prevent and To Educate: On the History Of Sex Education in Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
