Gaya APA
Foster, T, R, V. (2001).
How To be Better At Customer Care: Memberikan perhatian kepada pelanggan .
Jakarta:
Elex Media Komputindo.
Gaya MLA
Foster, Timothy, R, V.
"How To be Better At Customer Care: Memberikan perhatian kepada pelanggan".
Jakarta:
Elex Media Komputindo,
2001.
Text.