Gaya APA

GRIFFIN, Jill. (1995). Customer loyalty : how to earn it, how to keep it . New York: Lexington Books.

Gaya Chicago

GRIFFIN, Jill. Customer loyalty : how to earn it, how to keep it. New York: Lexington Books, 1995. Text.

Gaya MLA

GRIFFIN, Jill. Customer loyalty : how to earn it, how to keep it. New York: Lexington Books, 1995. Text.

Gaya Turabian

GRIFFIN, Jill. Customer loyalty : how to earn it, how to keep it. New York: Lexington Books, 1995. Print.