APA (7 वां संस्करण) प्रशस्ति पत्र

Barreto Bernal, L. J. (2011). Philosophical dissertation: A didactic strategy between orality and writing. Universidad Pedagógica y Tecnológica de Colombia.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Barreto Bernal, Leidy Jazmin. Philosophical Dissertation: A Didactic Strategy Between Orality and Writing. Universidad Pedagógica y Tecnológica de Colombia, 2011.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Barreto Bernal, Leidy Jazmin. Philosophical Dissertation: A Didactic Strategy Between Orality and Writing. Universidad Pedagógica y Tecnológica de Colombia, 2011.

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