Gaya APA
Darby, R. Michael. (1979).
Intermediate Marco- economics .
United States of America:
McGraw-Hill Book Company.
Gaya Chicago
Darby, R. Michael.
Intermediate Marco- economics.
United States of America:
McGraw-Hill Book Company,
1979.
Text.
Gaya MLA
Darby, R. Michael.
Intermediate Marco- economics.
United States of America:
McGraw-Hill Book Company,
1979.
Text.
Gaya Turabian
Darby, R. Michael.
Intermediate Marco- economics.
United States of America:
McGraw-Hill Book Company,
1979.
Print.