Gummesson, E. (2002). 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 (2nd ed.). Butterworth-Heinemann.
Παραπομπή σε μορφή Chicago (17η εκδ.)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. 2nd ed. Amsterdam: Butterworth-Heinemann, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)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. 2nd ed. Butterworth-Heinemann, 2002.
