APA (7th ed.) Citation

Walker, D. (1990). Customer first: A strategy for quality service. Gower.

Chicago Style (17th ed.) Citation

Walker, Denis. Customer First: A Strategy for Quality Service. Aldershot, England Brookfield, Vt. ;: Gower, 1990.

MLA (9th ed.) Citation

Walker, Denis. Customer First: A Strategy for Quality Service. Gower, 1990.