Gummesson, E. (2001). Total relationship marketing: From the 4Ps - product, price, promotion, place - of traditional marketing management to the 30Rs - the thirty relationships - of the new marketing paradigm (Reprint.). Butterworth-Heinemann.
Chicago-Zitierstil (17. Ausg.)Gummesson, Evert. Total Relationship Marketing: From the 4Ps - Product, Price, Promotion, Place - of Traditional Marketing Management to the 30Rs - the Thirty Relationships - of the New Marketing Paradigm. Reprint. Oxford [u.a.]: Butterworth-Heinemann, 2001.
MLA-Zitierstil (9. Ausg.)Gummesson, Evert. Total Relationship Marketing: From the 4Ps - Product, Price, Promotion, Place - of Traditional Marketing Management to the 30Rs - the Thirty Relationships - of the New Marketing Paradigm. Reprint. Butterworth-Heinemann, 2001.