Lusk, H. F. (1966). Business law: Principles and cases. New York: Richard Irvin.
Dyfyniad Arddull ChicagoLusk, Harold F. Business Law: Principles and Cases. New York: Richard Irvin, 1966.
Dyfyniad MLALusk, Harold F. Business Law: Principles and Cases. New York: Richard Irvin, 1966.
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