Gaya APA
Leftwich, Richard H., Sharp, Ansel M.. (1984).
Economics of social issues (6th ed.).
Plano, Texas:
Business.
Gaya Chicago
Leftwich, Richard H., Sharp, Ansel M..
Economics of social issues.
6th ed.
Plano, Texas:
Business,
1984.
Text.
Gaya MLA
Leftwich, Richard H., Sharp, Ansel M..
Economics of social issues.
6th ed.
Plano, Texas:
Business,
1984.
Text.
Gaya Turabian
Leftwich, Richard H., Sharp, Ansel M..
Economics of social issues.
6th ed.
Plano, Texas:
Business,
1984.
Print.