Παραπομπή σε μορφή APA (7η εκδ.)

Gummesson, E. (1999). Total relationship marketing from the 4Ps of traditional marketing management to the 30Rs of the new marketing paradigm. Butterworoth-Heinemann.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gummesson, Evert. Total Relationship Marketing from the 4Ps of Traditional Marketing Management to the 30Rs of the New Marketing Paradigm. Oxford: Butterworoth-Heinemann, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gummesson, Evert. Total Relationship Marketing from the 4Ps of Traditional Marketing Management to the 30Rs of the New Marketing Paradigm. Butterworoth-Heinemann, 1999.