Wurfel, S. W. 1. (1965). Foreign enterprise in Colombia: Laws and policies. University of North Carolina Press.
Dyfyniad Arddull ChicagoWurfel, Seymour W. 1907. Foreign Enterprise in Colombia: Laws and Policies. Chapel Hill: University of North Carolina Press, 1965.
Dyfyniad MLAWurfel, Seymour W. 1907. Foreign Enterprise in Colombia: Laws and Policies. University of North Carolina Press, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.