Gaya APA

Lovelock, C. et al (2008). Services marketing : people, technology, strategy (5 th, 5 th Impression). New York: Pearson education.

Gaya MLA

Lovelock, Christopher. et al. "Services marketing : people, technology, strategy". 5 th, 5 th Impression New York: Pearson education, 2008. Text.