APA (7. basım) Alıntı

Kohler, H. (1968). Scarcity challenged; an introduction to economics. Holt, Rinehart and Winston.

Chicago Style (17. basım) Atıf

Kohler, Heinz. Scarcity Challenged; an Introduction to Economics. New York: Holt, Rinehart and Winston, 1968.

MLA (9th ed.) Atıf

Kohler, Heinz. Scarcity Challenged; an Introduction to Economics. Holt, Rinehart and Winston, 1968.