APA Style
Foster, T, R, V.
(1999).
Costumer Care (Memberikan Perhatian Kepada Pelanggan
.
PT.Gramedia Jakarta:
1999.
MLA Style
Foster, Timothy, R, V.
"Costumer Care (Memberikan Perhatian Kepada Pelanggan".
PT.Gramedia Jakarta:
1999,
1999.
Text.