Gaya APA
Rangkuti, F. (2006).
Measuring Customer Satisfaction : Gaining Customer Relationship Strategy .
JAKARTA:
Gramedia Pustaka Utama.
Gaya MLA
Rangkuti, Freddy.
"Measuring Customer Satisfaction : Gaining Customer Relationship Strategy".
JAKARTA:
Gramedia Pustaka Utama,
2006.
Text.