Markowitz, G. E. (1971). Progressive imperialism: Consensus and conflict in the progressive movement on foreign policy, 1898-1917. University Microfilms.
Dyfyniad Arddull ChicagoMarkowitz, Gerald Edward. Progressive Imperialism: Consensus and Conflict in the Progressive Movement on Foreign Policy, 1898-1917. Ann Arbor, Michigan: University Microfilms, 1971.
Dyfyniad MLAMarkowitz, Gerald Edward. Progressive Imperialism: Consensus and Conflict in the Progressive Movement on Foreign Policy, 1898-1917. University Microfilms, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.