APA (7. basım) Alıntı

Leftwich, R. H. (1969). An introduction to economic thinking. Rinehart and Winston.

Chicago Style (17. basım) Atıf

Leftwich, Richard H. An Introduction to Economic Thinking. New York, Holt: Rinehart and Winston, 1969.

MLA (9th ed.) Atıf

Leftwich, Richard H. An Introduction to Economic Thinking. Rinehart and Winston, 1969.