- & TILLMAN, F. A. [. (1967). Introductory philosophy. Harper and Row Pub.
Cita Chicago (17th ed.)- i Frank A. [dkk TILLMAN. Introductory Philosophy. New York: Harper and Row Pub, 1967.
Cita MLA (9th ed.)- i Frank A. [dkk TILLMAN. Introductory Philosophy. Harper and Row Pub, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.