Gaya APA
HL, Vina Islami. (2019).
Service Excellence .
Yogyakarta:
Graha Ilmu.
Gaya Chicago
HL, Vina Islami.
Service Excellence.
Yogyakarta:
Graha Ilmu,
2019.
Text.
Gaya MLA
HL, Vina Islami.
Service Excellence.
Yogyakarta:
Graha Ilmu,
2019.
Text.
Gaya Turabian
HL, Vina Islami.
Service Excellence.
Yogyakarta:
Graha Ilmu,
2019.
Print.