APA-viite (7. p.)

WERTENBROCH K. (2001). MEASURING CONSUMER WILLINGNESS TO PAY AT THE POINT OF PURCHASE. MARKETING SERVICE INSTITUTE.

Chicago-viite (17. p.)

WERTENBROCH K. MEASURING CONSUMER WILLINGNESS TO PAY AT THE POINT OF PURCHASE. MASSACHUSSETS: MARKETING SERVICE INSTITUTE, 2001.

MLA-viite (9. p.)

WERTENBROCH K. MEASURING CONSUMER WILLINGNESS TO PAY AT THE POINT OF PURCHASE. MARKETING SERVICE INSTITUTE, 2001.