APA Citation

Haryono, P. D. P. B. (2018). How To Be A Professional Customer Service. Andi.

Chicago Style Citation

Haryono, Prof. Dr. PM. Budi. How To Be A Professional Customer Service. Andi, 2018.

MLA Citation

Haryono, Prof. Dr. PM. Budi. How To Be A Professional Customer Service. Andi, 2018.

Warning: These citations may not always be 100% accurate.