Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

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