Gaya APA

Haryono, P, B., Nikademus, . (2016). How To win Customer Through Customer Service With Heart / Budi Haryono (Ed. 1). Yogyakarta: Andi Offset.

Gaya MLA

Haryono, PM., Budi., Nikademus, . "How To win Customer Through Customer Service With Heart / Budi Haryono". Ed. 1 Yogyakarta: Andi Offset, 2016. Text.