Gaya APA
Lucas, Robert W. (2005).
Customer service : building successful skills for the twenty-first century (3e).
Boston:
McGraw Hill.
Gaya Chicago
Lucas, Robert W.
Customer service : building successful skills for the twenty-first century.
3e
Boston:
McGraw Hill,
2005.
Buku.
Gaya MLA
Lucas, Robert W.
Customer service : building successful skills for the twenty-first century.
3e
Boston:
McGraw Hill,
2005.
Buku.
Gaya Turabian
Lucas, Robert W.
Customer service : building successful skills for the twenty-first century.
3e
Boston:
McGraw Hill,
2005.
Buku.