APA Style
Customer Service :Building Successful Skills For The Twenty-First Century.--. (2005).
America:
McGraw-Hill.
Chicago Style
Customer Service :Building Successful Skills For The Twenty-First Century.--.
Ed. 3.--.
America:
McGraw-Hill,
2005.
Buku.
MLA Style
Customer Service :Building Successful Skills For The Twenty-First Century.--.
Ed. 3.--.
America:
McGraw-Hill,
2005.
Buku.
Turabian Style
Customer Service :Building Successful Skills For The Twenty-First Century.--.
America:
McGraw-Hill,
2005.
Buku.