Gaya APA
Herawati, L. (2005).
The significance of effective customer services in Bank Jatim Surabaya (CD) .
Malang, Jatim:
UNMER.
Gaya MLA
Herawati, Lenny.
"The significance of effective customer services in Bank Jatim Surabaya (CD)".
Malang, Jatim:
UNMER,
2005.
CD-ROM.