WERTENBROCH K. (2001). MEASURING CONSUMER WILLINGNESS TO PAY AT THE POINT OF PURCHASE. MARKETING SERVICE INSTITUTE.
Chicago Style aipamenaWERTENBROCH K. MEASURING CONSUMER WILLINGNESS TO PAY AT THE POINT OF PURCHASE. MASSACHUSSETS: MARKETING SERVICE INSTITUTE, 2001.
MLA aipamenaWERTENBROCH K. MEASURING CONSUMER WILLINGNESS TO PAY AT THE POINT OF PURCHASE. MARKETING SERVICE INSTITUTE, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.