Gaya APA
Sentana, A. (2004).
Excellent Service & Customer Satisfaction (ADMINISTRASI BISNIS) (Edisi 1).
Jakarta:
Elex Media Komputindo.
Gaya MLA
Sentana, Aso.
"Excellent Service & Customer Satisfaction (ADMINISTRASI BISNIS)".
Edisi 1
Jakarta:
Elex Media Komputindo,
2004.
TEXT.