Gaya APA
Selden, Larry : Colvin, Geoffrey. (2003).
Angel customers & demon customers: Discover which is which and turbo-charge your stock .
New York:
Portfolio.
Gaya Chicago
Selden, Larry : Colvin, Geoffrey.
Angel customers & demon customers: Discover which is which and turbo-charge your stock.
New York:
Portfolio,
2003.
Text.
Gaya MLA
Selden, Larry : Colvin, Geoffrey.
Angel customers & demon customers: Discover which is which and turbo-charge your stock.
New York:
Portfolio,
2003.
Text.
Gaya Turabian
Selden, Larry : Colvin, Geoffrey.
Angel customers & demon customers: Discover which is which and turbo-charge your stock.
New York:
Portfolio,
2003.
Print.