Eder, G. J., Becerra, H. J., & Chommie, J. C. (1964). Taxation in Colombia. Commerce Clearing House.
Chicago Style aipamenaEder, George Jackson, Hector Julio Becerra, and John C. Chommie. Taxation in Colombia. Chicago: Commerce Clearing House, 1964.
MLA aipamenaEder, George Jackson, et al. Taxation in Colombia. Commerce Clearing House, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.