Cortés, J. C., & Perea, I. D. p. (2019). Young pregnant women from the perspective of three school physical education teachers. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Cortés, Jhon Carlos, i Ita Del pilar Perea. Young Pregnant Women from the Perspective of Three School Physical Education Teachers. Universidad Pedagógica y Tecnológica de Colombia, 2019.
MLA način citiranja (9. izdanje)Cortés, Jhon Carlos, i Ita Del pilar Perea. Young Pregnant Women from the Perspective of Three School Physical Education Teachers. Universidad Pedagógica y Tecnológica de Colombia, 2019.
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