Cita APA (7th ed.)

Chang, R. Y., & Kelly, P. K. (1994). Satisfying internal customers first: A practical guide to improving internal and external customer satisfaction. Kogan Page.

Cita Chicago (17th ed.)

Chang, Richard Y., i P. Keith Kelly. Satisfying Internal Customers First: A Practical Guide to Improving Internal and External Customer Satisfaction. London: Kogan Page, 1994.

Cita MLA (9th ed.)

Chang, Richard Y., i P. Keith Kelly. Satisfying Internal Customers First: A Practical Guide to Improving Internal and External Customer Satisfaction. Kogan Page, 1994.