Gaya APA

Haryono, B., WK, N. (2016). How To Win Customer Through Customer Service With Heart (Cetakan 1). Yogyakarta: Andi.

Gaya MLA

Haryono, Budi., WK, Nikodemus. "How To Win Customer Through Customer Service With Heart". Cetakan 1 Yogyakarta: Andi, 2016. Book.