Carson, J. M. (1908). Colombia, Venezuela, and British and Dutch Guiana: Trade For The Year 1907. Department Of Commerce and Labor.
Cita Chicago Style (17a ed.)Carson, John M. Colombia, Venezuela, and British and Dutch Guiana: Trade For The Year 1907. Washington: Department Of Commerce and Labor, 1908.
Cita MLA (9a ed.)Carson, John M. Colombia, Venezuela, and British and Dutch Guiana: Trade For The Year 1907. Department Of Commerce and Labor, 1908.
Precaución: Estas citas no son 100% exactas.