APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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.