Anderson, R. A., Fox, I., & Twomey, D. P. (1987). Business Law: Principles cases legal environment. South-Western.
Lua i Stíl Chicago (17ú heag.)Anderson, Ronald A., Ivan Fox, agus David P. Twomey. Business Law: Principles Cases Legal Environment. Cincinnati: South-Western, 1987.
Lua MLA (9ú heag.)Anderson, Ronald A., et al. Business Law: Principles Cases Legal Environment. South-Western, 1987.
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