Gummesson, E. (1999). Total relationship marketing from the 4Ps of traditional marketing management to the 30Rs of the new marketing paradigm. Butterworoth-Heinemann.
Цитирование в стиле Чикаго (17-е изд.)Gummesson, Evert. Total Relationship Marketing from the 4Ps of Traditional Marketing Management to the 30Rs of the New Marketing Paradigm. Oxford: Butterworoth-Heinemann, 1999.
Цитирование MLA (9-е изд.)Gummesson, Evert. Total Relationship Marketing from the 4Ps of Traditional Marketing Management to the 30Rs of the New Marketing Paradigm. Butterworoth-Heinemann, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.