Services marketing : people, technology, strategy / Christopher H. Lovelock ; Jochen Wirtz. (1970). Upper Saddle River, NJ: Prentice-Hall, c.
Services marketing : people, technology, strategy / Christopher H. Lovelock ; Jochen Wirtz. 7th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 1970. Buku Wajib.