APA (7th ed.) Zitazioa
Callingham, M. (2004). Market intelligence: How and why organizations use market research. Kogan Page.
Chicago Style (17th ed.) Zitazioa
Callingham, Martin. Market Intelligence: How and Why Organizations Use Market Research. London ; Sterling, Va.: Kogan Page, 2004.
MLA (9th ed.) Zitazioa
Callingham, Martin. Market Intelligence: How and Why Organizations Use Market Research. Kogan Page, 2004.
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