Gaya APA
Customer Service : Building succesful skills for the twenty-first century. (2005).
New York:
[s.n.].
Gaya Chicago
Customer Service : Building succesful skills for the twenty-first century.
.
New York:
[s.n.],
2005.
Text.
Gaya MLA
Customer Service : Building succesful skills for the twenty-first century.
.
New York:
[s.n.],
2005.
Text.
Gaya Turabian
Customer Service : Building succesful skills for the twenty-first century.
New York:
[s.n.],
2005.
Print.