Gaya APA
Sharp, A, M. (2002).
Economics of Social Issues (Fifteenth Edition).
New York:
Gary burke.
Gaya Chicago
Sharp, A, M..
Economics of Social Issues.
Fifteenth Edition
New York:
Gary burke,
2002.
Text.
Gaya MLA
Sharp, Ansel, M.
"Economics of Social Issues".
Fifteenth Edition
New York:
Gary burke,
2002.
Text.
Gaya Turabian
Sharp, Ansel, M..
Economics of Social Issues.
Fifteenth Edition
New York:
Gary burke,
2002.
Print.