Services marketing : people, technology, strategy / Christopher H. Lovelock ; Jochen Wirtz. (1968). Upper Saddle River, NJ: Prentice-Hall, c.
Services marketing : people, technology, strategy / Christopher H. Lovelock ; Jochen Wirtz. 6th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 1968. Buku Wajib.