APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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