APA

Lynn R. A., . (1980). Basic economic principles. New York: McGraw-Hill.

Chicago

Lynn Robert Athan, . 1980. Basic economic principles. New York: McGraw-Hill.

Harvard

Lynn R. A., . (1980). Basic economic principles. New York: McGraw-Hill.

MLA

Lynn Robert Athan, . Basic economic principles. New York: McGraw-Hill. 1980.