Gaya APA

Haryono, Budi. (2018). How to be a professional customer service (Ed. I). YOGYAKARTA: .

Gaya Chicago

Haryono, Budi. How to be a professional customer service. Ed. I YOGYAKARTA: , 2018. Buku Teks Bisnis Digital.

Gaya MLA

Haryono, Budi. How to be a professional customer service. Ed. I YOGYAKARTA: , 2018. Buku Teks Bisnis Digital.

Gaya Turabian

Haryono, Budi. How to be a professional customer service. Ed. I YOGYAKARTA: , 2018. Buku Teks Bisnis Digital.