Gaya APA

Lucas, Robert W.. (2005). Customer service : building successful skills for the twenty-fist century / Robert W. Lucas (ed. 3). New York: McGraw-Hill.

Gaya Chicago

Lucas, Robert W.. Customer service : building successful skills for the twenty-fist century / Robert W. Lucas. ed. 3 New York: McGraw-Hill, 2005. Buku.

Gaya MLA

Lucas, Robert W.. Customer service : building successful skills for the twenty-fist century / Robert W. Lucas. ed. 3 New York: McGraw-Hill, 2005. Buku.

Gaya Turabian

Lucas, Robert W.. Customer service : building successful skills for the twenty-fist century / Robert W. Lucas. ed. 3 New York: McGraw-Hill, 2005. Buku.