Gaya APA
Wow Service Is Care. (2014).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya Chicago
Wow Service Is Care.
.
Jakarta:
PT Gramedia Pustaka Utama,
2014.
Buku.
Gaya MLA
Wow Service Is Care.
.
Jakarta:
PT Gramedia Pustaka Utama,
2014.
Buku.
Gaya Turabian
Wow Service Is Care.
Jakarta:
PT Gramedia Pustaka Utama,
2014.
Buku.