APA Style

Macaulay, Steve; Sarah Cook. (1992). How to improve your customer service = kiat meningkatkan pelayanan bagi pelanggan .--Cet. 1 . : .

Chicago Style

Macaulay, Steve; Sarah Cook. How to improve your customer service = kiat meningkatkan pelayanan bagi pelanggan .--Cet. 1. : , 1992. .

MLA Style

Macaulay, Steve; Sarah Cook. How to improve your customer service = kiat meningkatkan pelayanan bagi pelanggan .--Cet. 1. : , 1992. .

Turabian Style

Macaulay, Steve; Sarah Cook. How to improve your customer service = kiat meningkatkan pelayanan bagi pelanggan .--Cet. 1. : , 1992. .