APA (7th ed.) Zitazioa

BILAS, R. A. (1971). Problems in microeconomics. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

BILAS, Richard A. Problems in Microeconomics. New York: McGraw-Hill, 1971.

MLA (9th ed.) Zitazioa

BILAS, Richard A. Problems in Microeconomics. McGraw-Hill, 1971.