APA Style

HARYONO, PM. Budi. (2018). How to be a Professional Customer Service (Ed. 1, cet. 1). Yogyakarta: Andi.

Chicago Style

HARYONO, PM. Budi. How to be a Professional Customer Service. Ed. 1, cet. 1 Yogyakarta: Andi, 2018. Text.

MLA Style

HARYONO, PM. Budi. How to be a Professional Customer Service. Ed. 1, cet. 1 Yogyakarta: Andi, 2018. Text.

Turabian Style

HARYONO, PM. Budi. How to be a Professional Customer Service. Ed. 1, cet. 1 Yogyakarta: Andi, 2018. Print.