APA
Ortega Gil Juan David, Ortega Gil Juan David & Reyes Canizales Juan Jose. (2018). Levantamiento topografico del cementerio de gualanday. ESPINAL: ITFIP.
Chicago
Ortega Gil Juan David, Ortega Gil Juan David and Reyes Canizales Juan Jose. 2018. Levantamiento topografico del cementerio de gualanday. ESPINAL: ITFIP.
Harvard
Ortega Gil Juan David, Ortega Gil Juan David and Reyes Canizales Juan Jose. (2018). Levantamiento topografico del cementerio de gualanday. ESPINAL: ITFIP.
MLA
Ortega Gil Juan David, Ortega Gil Juan David and Reyes Canizales Juan Jose. Levantamiento topografico del cementerio de gualanday. ESPINAL: ITFIP. 2018.