Gaya APA

Why customers don't do what you want then to do. (2005). Jakarta: Bhuana Ilmu Populer.

Gaya Chicago

Why customers don't do what you want then to do. . Jakarta: Bhuana Ilmu Populer, 2005. Text.

Gaya MLA

Why customers don't do what you want then to do. . Jakarta: Bhuana Ilmu Populer, 2005. Text.

Gaya Turabian

Why customers don't do what you want then to do. Jakarta: Bhuana Ilmu Populer, 2005. Print.