Haynes, W. W. (1969). Managerial economics: Analysis and cases (Revised ed.). Business Pub.
Lua i Stíl Chicago (17ú heag.)Haynes, William Warren. Managerial Economics: Analysis and Cases. Revised ed. Austin, Texas: Business Pub, 1969.
Lua MLA (9ú heag.)Haynes, William Warren. Managerial Economics: Analysis and Cases. Revised ed. Business Pub, 1969.
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