APA-viite (7. p.)

Lear, J. (1990). Aristotle and logical theory. University Pr..

Chicago-viite (17. p.)

Lear, Jonathan. Aristotle and Logical Theory. Cambridge: University Pr., 1990.

MLA-viite (9. p.)

Lear, Jonathan. Aristotle and Logical Theory. University Pr., 1990.