Gaya APA
Winkler, Ira. (1997).
Corporate Espionage .
California:
Prima Publishing.
Gaya Chicago
Winkler, Ira.
Corporate Espionage.
California:
Prima Publishing,
1997.
Text.
Gaya MLA
Winkler, Ira.
Corporate Espionage.
California:
Prima Publishing,
1997.
Text.
Gaya Turabian
Winkler, Ira.
Corporate Espionage.
California:
Prima Publishing,
1997.
Print.