Gaya APA

Zemke, Ron, Connellan, Tom. (2001). E-service : 24 ways to keep your customers-when the competition is just a clik away Ron Zemke, Tom Connelan . New York: Amacom.

Gaya Chicago

Zemke, Ron, Connellan, Tom. E-service : 24 ways to keep your customers-when the competition is just a clik away Ron Zemke, Tom Connelan. New York: Amacom, 2001. Text.

Gaya MLA

Zemke, Ron, Connellan, Tom. E-service : 24 ways to keep your customers-when the competition is just a clik away Ron Zemke, Tom Connelan. New York: Amacom, 2001. Text.

Gaya Turabian

Zemke, Ron, Connellan, Tom. E-service : 24 ways to keep your customers-when the competition is just a clik away Ron Zemke, Tom Connelan. New York: Amacom, 2001. Print.