Becerra Peña, S., Martínez Quiroga, L. O., & Bolívar Suárez, A. (2019). The orthography from grandfather anecdotal stories. Universidad Pedagógica y Tecnológica de Colombia.
Chicago Style (17. basım) AtıfBecerra Peña, Samuel, Luis Orlando Martínez Quiroga, ve Alejandro Bolívar Suárez. The Orthography from Grandfather Anecdotal Stories. Universidad Pedagógica y Tecnológica de Colombia, 2019.
MLA (9th ed.) AtıfBecerra Peña, Samuel, et al. The Orthography from Grandfather Anecdotal Stories. Universidad Pedagógica y Tecnológica de Colombia, 2019.
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