Gaya APA
SCHIFMAN\'S, STEPHAN. (2000).
TELEMARKETING .
SINGAPORE:
SSMB.
Gaya Chicago
SCHIFMAN\'S, STEPHAN.
TELEMARKETING.
SINGAPORE:
SSMB,
2000.
Text.
Gaya MLA
SCHIFMAN\'S, STEPHAN.
TELEMARKETING.
SINGAPORE:
SSMB,
2000.
Text.
Gaya Turabian
SCHIFMAN\'S, STEPHAN.
TELEMARKETING.
SINGAPORE:
SSMB,
2000.
Print.