Gaya APA
DeVRYE, C. (2003).
Good Service is Good Business: 7 Strategi Sederhana Menuju Sukses (1).
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
DeVRYE, Catherine.
"Good Service is Good Business: 7 Strategi Sederhana Menuju Sukses".
1
Jakarta:
Gramedia Pustaka Utama,
2003.
Printed.