Citace podle APA (7th ed.)

Wills, I. R. (2007). Economics and the environment: A signalling and incentives approach (2nd ed.). Allen & Unwin.

Citace podle Chicago (17th ed.)

Wills, Ian R. Economics and the Environment: A Signalling and Incentives Approach. 2nd ed. St. Leonards, NSW: Allen & Unwin, 2007.

Citace podle MLA (8th ed.)

Wills, Ian R. Economics and the Environment: A Signalling and Incentives Approach. 2nd ed. Allen & Unwin, 2007.

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