Castro, L. X., Cruz, I. D., & Ojeda, M. A. (2020). Pedagogical content knowledge and teaching of philosophy. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Castro, Lizeth Ximena, Iván Darío Cruz, i Manuel Alejandro Ojeda. Pedagogical Content Knowledge and Teaching of Philosophy. Universidad Pedagógica y Tecnológica de Colombia, 2020.
MLA način citiranja (9. izdanje)Castro, Lizeth Ximena, et al. Pedagogical Content Knowledge and Teaching of Philosophy. Universidad Pedagógica y Tecnológica de Colombia, 2020.
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