APA Style
Salvatore, Eugene A., Diulio, Eugene. (2003).
Principles of Economics .
United States of America:
The McGraw-Hill Companies.
Chicago Style
Salvatore, Eugene A., Diulio, Eugene.
Principles of Economics.
United States of America:
The McGraw-Hill Companies,
2003.
Text.
MLA Style
Salvatore, Eugene A., Diulio, Eugene.
Principles of Economics.
United States of America:
The McGraw-Hill Companies,
2003.
Text.
Turabian Style
Salvatore, Eugene A., Diulio, Eugene.
Principles of Economics.
United States of America:
The McGraw-Hill Companies,
2003.
Print.