APA-viite (7. p.)

<BILAS, R. A. Microeconomic theory. McGraw-Hill Book Co.

Chicago-viite (17. p.)

<BILAS, Richard A.>. Microeconomic Theory. McGraw-Hill Book Co.

MLA-viite (8. p.)

<BILAS, Richard A.>. Microeconomic Theory. McGraw-Hill Book Co.