Gaya APA
Leboeuf, Michael. (1992).
How to win and keep customer .
New York:
G.P. Putnam's Sons.
Gaya Chicago
Leboeuf, Michael.
How to win and keep customer.
New York:
G.P. Putnam's Sons,
1992.
Text.
Gaya MLA
Leboeuf, Michael.
How to win and keep customer.
New York:
G.P. Putnam's Sons,
1992.
Text.
Gaya Turabian
Leboeuf, Michael.
How to win and keep customer.
New York:
G.P. Putnam's Sons,
1992.
Print.