Gaya APA
BUTTLE, F. (2004).
CUSTOMER RELATIONSHIP MAGEMENT (MANAJEMEN HUBUNGAN PELANGGAN) CONCEPT AND TOOLS (1).
BANDUNG:
BAYUMEDIA.
Gaya MLA
BUTTLE, FRNACIS.
"CUSTOMER RELATIONSHIP MAGEMENT (MANAJEMEN HUBUNGAN PELANGGAN) CONCEPT AND TOOLS".
1
BANDUNG:
BAYUMEDIA,
2004.
Text.