APA Style

Dru Scott, Ph.D.. (2005). Custumer Satisfaction . : Penerbit PPM.

Chicago Style

Dru Scott, Ph.D.. Custumer Satisfaction. : Penerbit PPM, 2005. .

MLA Style

Dru Scott, Ph.D.. Custumer Satisfaction. : Penerbit PPM, 2005. .

Turabian Style

Dru Scott, Ph.D.. Custumer Satisfaction. : Penerbit PPM, 2005. .