Gaya APA
Sharp, A, M. et al (2000).
Economics of Social Issues .
United States of America:
McGraw-Hill.
Gaya Chicago
Sharp, A, M. et al.
Economics of Social Issues.
United States of America:
McGraw-Hill,
2000.
Text.
Gaya MLA
Sharp, Ansel, M.. et al.
"Economics of Social Issues".
United States of America:
McGraw-Hill,
2000.
Text.
Gaya Turabian
Sharp, Ansel, M.. et al..
Economics of Social Issues.
United States of America:
McGraw-Hill,
2000.
Print.