Gaya APA
Foster, T, R, V. (1999).
How To Be Better At Customer Care : Memberikan Perhatian Kepada Pelanggan .
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Foster, Timothy, R, V.
"How To Be Better At Customer Care : Memberikan Perhatian Kepada Pelanggan".
Jakarta:
PT Elex Media Komputindo,
1999.
Text.