Gaya APA
Sharp, Ansel M., Register, Charles A., Leftwich, Richard H.. (1980).
Economic of social issues, 8th ed. (8th ed.).
Illinois:
Business Publications.
Gaya Chicago
Sharp, Ansel M., Register, Charles A., Leftwich, Richard H..
Economic of social issues, 8th ed..
8th ed.
Illinois:
Business Publications,
1980.
Text.
Gaya MLA
Sharp, Ansel M., Register, Charles A., Leftwich, Richard H..
Economic of social issues, 8th ed..
8th ed.
Illinois:
Business Publications,
1980.
Text.
Gaya Turabian
Sharp, Ansel M., Register, Charles A., Leftwich, Richard H..
Economic of social issues, 8th ed..
8th ed.
Illinois:
Business Publications,
1980.
Print.