Medina, N. E. C., Poveda, F. M., & Sandoval, A. C. R. (2014). Didactic Unit Designed Using Critical Thinking: A Way To Improve Your Skills. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Medina, Nancy Emilce Carvajal, Fabian Mauricio Poveda, i Angie Carolina Rojas Sandoval. Didactic Unit Designed Using Critical Thinking: A Way To Improve Your Skills. Universidad Pedagógica y Tecnológica de Colombia, 2014.
MLA način citiranja (9. izdanje)Medina, Nancy Emilce Carvajal, et al. Didactic Unit Designed Using Critical Thinking: A Way To Improve Your Skills. Universidad Pedagógica y Tecnológica de Colombia, 2014.
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