APA استشهاد

Bilas, R. A. (1971). Microeconomic Theory (2nd ed.). McGraw-Hill.

استشهاد بنمط شيكاغو

Bilas, Richard A. Microeconomic Theory. 2nd ed. Tokyo: McGraw-Hill, 1971.

MLA استشهاد

Bilas, Richard A. Microeconomic Theory. 2nd ed. McGraw-Hill, 1971.