Gaya APA
DIJULIUS III, John R.. (2003).
Secret service : hidden systems that deliver unforgettable customer service .
New York:
Amacom.
Gaya Chicago
DIJULIUS III, John R..
Secret service : hidden systems that deliver unforgettable customer service.
New York:
Amacom,
2003.
Text.
Gaya MLA
DIJULIUS III, John R..
Secret service : hidden systems that deliver unforgettable customer service.
New York:
Amacom,
2003.
Text.
Gaya Turabian
DIJULIUS III, John R..
Secret service : hidden systems that deliver unforgettable customer service.
New York:
Amacom,
2003.
Print.