APA Style

Lucas, Robert W.. (2005). Customer service : building successful skill for the twenty firs century (ed-3). Boston: McGraw Hill.

Chicago Style

Lucas, Robert W.. Customer service : building successful skill for the twenty firs century. ed-3 Boston: McGraw Hill, 2005. Buku.

MLA Style

Lucas, Robert W.. Customer service : building successful skill for the twenty firs century. ed-3 Boston: McGraw Hill, 2005. Buku.

Turabian Style

Lucas, Robert W.. Customer service : building successful skill for the twenty firs century. ed-3 Boston: McGraw Hill, 2005. Buku.