APA Style

Gordman, Robert, Brott, Armin. (2007). The Must-Have Customer : 7 Taktik jitu merebut hati pelanggan idaman Anda . Jakarta: Gramedia Pustaka Utama.

Chicago Style

Gordman, Robert, Brott, Armin. The Must-Have Customer : 7 Taktik jitu merebut hati pelanggan idaman Anda. Jakarta: Gramedia Pustaka Utama, 2007. Text.

MLA Style

Gordman, Robert, Brott, Armin. The Must-Have Customer : 7 Taktik jitu merebut hati pelanggan idaman Anda. Jakarta: Gramedia Pustaka Utama, 2007. Text.

Turabian Style

Gordman, Robert, Brott, Armin. The Must-Have Customer : 7 Taktik jitu merebut hati pelanggan idaman Anda. Jakarta: Gramedia Pustaka Utama, 2007. Print.