APA Style

Haryono, Budi. (2018). How To Be A Professional Customer Service . Yogyakarta: Andi Yogyakarta.

Chicago Style

Haryono, Budi. How To Be A Professional Customer Service. Yogyakarta: Andi Yogyakarta, 2018. Management, Marketing.

MLA Style

Haryono, Budi. How To Be A Professional Customer Service. Yogyakarta: Andi Yogyakarta, 2018. Management, Marketing.

Turabian Style

Haryono, Budi. How To Be A Professional Customer Service. Yogyakarta: Andi Yogyakarta, 2018. Management, Marketing.