BUSCH, P. S. (1985). Marketing Strategic Foundations Paul S. Busch And Michael J. Homewood: Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)BUSCH, Paul S. Marketing Strategic Foundations Paul S. Busch And Michael J. Homewood: Richard D. Irwin, 1985.
Lua MLA (8ú heag.)BUSCH, Paul S. Marketing Strategic Foundations Paul S. Busch And Michael J. Homewood: Richard D. Irwin, 1985.
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