APA (7e ed.) Bronvermelding

HOOKS I F. (2001). CUSTOMER CENTERED PRODUCTS. AMACOM.

Chicago (17e ed.) Bronvermelding

HOOKS I F. CUSTOMER CENTERED PRODUCTS. NEW YORK: AMACOM, 2001.

MLA (9e ed.) Bronvermelding

HOOKS I F. CUSTOMER CENTERED PRODUCTS. AMACOM, 2001.