Wilson Alan M. Marketing Research : An Integrated Approach / Alan Wilson. - 3rd ed. - Harlow England New York : Financial Times/Prentice Hall C2011. - XXII 410 P. : COL. ILL. 27 CM. + 1 CD-ROM (4 3/4 IN.) - 0 . ENG ISBN: 9780273718703 (Pbk.)