Gaya APA
McKenna, R. (1993).
Relationship Marketing (Succesful Strategies for the age of the customer / Regis McKenna .
OHIO:
regis mckenna.
Gaya MLA
McKenna, Regis.
"Relationship Marketing (Succesful Strategies for the age of the customer / Regis McKenna".
OHIO:
regis mckenna,
1993.
Teks.