APA (7e ed.) Bronvermelding

Higuera-Martinez, O. I. (2017). Student dropout in Colombia and the engineering programs of the Uptc campus Sogamoso. Universidad Pedagógica y Tecnológica de Colombia - UPTC.

Chicago (17e ed.) Bronvermelding

Higuera-Martinez, Oscar Ivan. Student Dropout in Colombia and the Engineering Programs of the Uptc Campus Sogamoso. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.

MLA (9e ed.) Bronvermelding

Higuera-Martinez, Oscar Ivan. Student Dropout in Colombia and the Engineering Programs of the Uptc Campus Sogamoso. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.