BRITT, S. H., & BOYD, H. W. (1978). Marketing management and administrative action.-- ed.4. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)BRITT, Steuart Henderson, agus Harper W. BOYD. Marketing Management and Administrative Action.-- Ed.4. New York: McGraw-Hill, 1978.
Lua MLA (9ú heag.)BRITT, Steuart Henderson, agus Harper W. BOYD. Marketing Management and Administrative Action.-- Ed.4. McGraw-Hill, 1978.
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