APA引文

Kohler, H. (1968). Scarcity Challenged An Introduction To Economics Heinz Kohler. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Kohler, Heinz. Scarcity Challenged An Introduction To Economics Heinz Kohler. Holt, Rinehart and Winston, 1968.

MLA引文

Kohler, Heinz. Scarcity Challenged An Introduction To Economics Heinz Kohler. Holt, Rinehart and Winston, 1968.

警告：这些引文格式不一定是100％准确.