Haver, J. F., & Hanlon, M. M. (1983). Personalized guide to marketing strategy. Mosby.
Lua i Stíl Chicago (17ú heag.)Haver, Jurgen F., agus Martha M. Hanlon. Personalized Guide to Marketing Strategy. St. Louis: Mosby, 1983.
Lua MLA (9ú heag.)Haver, Jurgen F., agus Martha M. Hanlon. Personalized Guide to Marketing Strategy. Mosby, 1983.
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