APA Style

Gordman,Robert. (2007). The Must-have customer; 7 taktik jitu merebut hati pelangganナ . : Gramedia Pustaka Utama.

Chicago Style

Gordman,Robert. The Must-have customer; 7 taktik jitu merebut hati pelangganナ. : Gramedia Pustaka Utama, 2007. Text.

MLA Style

Gordman,Robert. The Must-have customer; 7 taktik jitu merebut hati pelangganナ. : Gramedia Pustaka Utama, 2007. Text.

Turabian Style

Gordman,Robert. The Must-have customer; 7 taktik jitu merebut hati pelangganナ. : Gramedia Pustaka Utama, 2007. Print.