Gaya APA
Zemke, Ron, Connellan, Tom. (2001).
E-service : 24 ways to keep your customers when the competition is just a click away .
New York:
AMACOM.
Gaya Chicago
Zemke, Ron, Connellan, Tom.
E-service : 24 ways to keep your customers when the competition is just a click away.
New York:
AMACOM,
2001.
Buku.
Gaya MLA
Zemke, Ron, Connellan, Tom.
E-service : 24 ways to keep your customers when the competition is just a click away.
New York:
AMACOM,
2001.
Buku.
Gaya Turabian
Zemke, Ron, Connellan, Tom.
E-service : 24 ways to keep your customers when the competition is just a click away.
New York:
AMACOM,
2001.
Buku.