APA Style
Customer service : building successful skills for thr twenty-first century. ().
New York:
McGraw-Hill.
Chicago Style
Customer service : building successful skills for thr twenty-first century.
3 ed..
New York:
McGraw-Hill,
.
Buku.
MLA Style
Customer service : building successful skills for thr twenty-first century.
3 ed..
New York:
McGraw-Hill,
.
Buku.
Turabian Style
Customer service : building successful skills for thr twenty-first century.
New York:
McGraw-Hill,
.
Buku.