APA Style
Rusydi, Mhd. (2017).
Customer Excellence .
Yogyakarta:
Gosyen Publishing.
Chicago Style
Rusydi, Mhd.
Customer Excellence.
Yogyakarta:
Gosyen Publishing,
2017.
Buku.
MLA Style
Rusydi, Mhd.
Customer Excellence.
Yogyakarta:
Gosyen Publishing,
2017.
Buku.
Turabian Style
Rusydi, Mhd.
Customer Excellence.
Yogyakarta:
Gosyen Publishing,
2017.
Buku.