Lusk, H. F., & Hewitt, C. M. (1982). Business law and the regulatory environment: Concepts and cases (5th ed.). Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)Lusk, Harold F., agus Charles M. Hewitt. Business Law and the Regulatory Environment: Concepts and Cases. 5th ed. Illinois: Richard D. Irwin, 1982.
Lua MLA (9ú heag.)Lusk, Harold F., agus Charles M. Hewitt. Business Law and the Regulatory Environment: Concepts and Cases. 5th ed. Richard D. Irwin, 1982.
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