APA (7 वां संस्करण) प्रशस्ति पत्र

Vega Pérez, L. A., & Ariza Mantilla, D. C. (2019). The theory of duty - obligation of the parties, in medical liability processes. Universidad Pedagógica y Tecnológica de Colombia.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Vega Pérez, Leonel Antonio, और Dianey Carolina Ariza Mantilla. The Theory of Duty - Obligation of the Parties, in Medical Liability Processes. Universidad Pedagógica y Tecnológica de Colombia, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Vega Pérez, Leonel Antonio, और Dianey Carolina Ariza Mantilla. The Theory of Duty - Obligation of the Parties, in Medical Liability Processes. Universidad Pedagógica y Tecnológica de Colombia, 2019.

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