APA Alıntı

Callan, S. J., & Scott J. Callan; Janet M. Thomas. Environmental economics and management: Theory, policy and applications. United States: South-Western,Thomson Learning.

Chicago Stili Alıntı

Callan, Scott J., ve Scott J. Callan; Janet M. Thomas. Environmental Economics and Management: Theory, Policy and Applications. United States: South-Western,Thomson Learning.

MLA Alıntı

Callan, Scott J., ve Scott J. Callan; Janet M. Thomas. Environmental Economics and Management: Theory, Policy and Applications. United States: South-Western,Thomson Learning.