Penggayaan APA
Riyanto, Andi Setiawan, Kurniani. (2017).
Customer service excellence .
Semarang:
Polines.
Chicago Style
Riyanto, Andi Setiawan, Kurniani.
Customer service excellence.
Semarang:
Polines,
2017.
Text.
MLA Style
Riyanto, Andi Setiawan, Kurniani.
Customer service excellence.
Semarang:
Polines,
2017.
Text.
Turabian Style
Riyanto, Andi Setiawan, Kurniani.
Customer service excellence.
Semarang:
Polines,
2017.
Print.