Gaya APA
Cram, Tony. (1994).
The power of relationship marketing .
London:
Pitman Pulishing.
Gaya Chicago
Cram, Tony.
The power of relationship marketing.
London:
Pitman Pulishing,
1994.
Text.
Gaya MLA
Cram, Tony.
The power of relationship marketing.
London:
Pitman Pulishing,
1994.
Text.
Gaya Turabian
Cram, Tony.
The power of relationship marketing.
London:
Pitman Pulishing,
1994.
Print.