APA

Bilas R. A., Wallace R. S., . (1971). Problems in microeconomics. New York: McGraw-Hill.

Chicago

Bilas Richard A, Wallace Richard S, . 1971. Problems in microeconomics. New York: McGraw-Hill.

Harvard

Bilas R. A., Wallace R. S., . (1971). Problems in microeconomics. New York: McGraw-Hill.

MLA

Bilas Richard A, Wallace Richard S, . Problems in microeconomics. New York: McGraw-Hill. 1971.