Callingham, M. (2004). Market intelligence: How and why organization use market research. Kogan Page.
Chicago ZitierstilCallingham, Martin. Market Intelligence: How and Why Organization Use Market Research. London: Kogan Page, 2004.
MLA ZitierstilCallingham, Martin. Market Intelligence: How and Why Organization Use Market Research. Kogan Page, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.