APA引文

Gamba, G. P., López, H. J. F., & Contreras, L. E. (2013). Effects of foreign investment in Colombian mining and four countries in the region. Universidad Pedagógica y Tecnológica de Colombia.

Chicago Style (17th ed.) Citation

Gamba, Gloria Patricia, Héctor Javier Fuentes López, and Leonardo Emiro Contreras. Effects of Foreign Investment in Colombian Mining and Four Countries in the Region. Universidad Pedagógica y Tecnológica de Colombia, 2013.

MLA引文

Gamba, Gloria Patricia, et al. Effects of Foreign Investment in Colombian Mining and Four Countries in the Region. Universidad Pedagógica y Tecnológica de Colombia, 2013.