APA (7 वां संस्करण) प्रशस्ति पत्र

Barahona, E. A. T., Medina, J. X. L., & Díaz, E. T. (2012). Positioning system applied to the 3D printing technique: Modeling by fused deposition. Universidad Pedagógica y Tecnológica de Colombia.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Barahona, Edgar Absalón Torres, Jersson Xavier León Medina, और Edwin Torres Díaz. Positioning System Applied to the 3D Printing Technique: Modeling by Fused Deposition. Universidad Pedagógica y Tecnológica de Colombia, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Barahona, Edgar Absalón Torres, et al. Positioning System Applied to the 3D Printing Technique: Modeling by Fused Deposition. Universidad Pedagógica y Tecnológica de Colombia, 2012.

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