Παραπομπή σε μορφή APA (7η εκδ.)

Contreras, O. E., Pedraza Avella, A. C., & Herrera Gómez, C. (2015). Is social inclusion of workforce in Colombia in counter of what sustainability means? Universidad Pedagógica y Tecnológica de Colombia.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Contreras, Orlando Enrique, Aura Cecilia Pedraza Avella, και Carolina Herrera Gómez. Is Social Inclusion of Workforce in Colombia in Counter of What Sustainability Means? Universidad Pedagógica y Tecnológica de Colombia, 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Contreras, Orlando Enrique, et al. Is Social Inclusion of Workforce in Colombia in Counter of What Sustainability Means? Universidad Pedagógica y Tecnológica de Colombia, 2015.