Liebhafsky, H. H. (1971). American Goverment and Buisness. John Wiley.
Dyfyniad Arddull ChicagoLiebhafsky, H. H. American Goverment and Buisness. New York: John Wiley, 1971.
Dyfyniad MLALiebhafsky, H. H. American Goverment and Buisness. John Wiley, 1971.
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