APA (7e ed.) Bronvermelding

CALLAN, S. J., & THOMAS, J. M. (1996). Environmental economics and management: Theory, policyand applications. Irwin.

Chicago (17e ed.) Bronvermelding

CALLAN, Scott J., en Janet M. THOMAS. Environmental Economics and Management: Theory, Policyand Applications. Chicago: Irwin, 1996.

MLA (9e ed.) Bronvermelding

CALLAN, Scott J., en Janet M. THOMAS. Environmental Economics and Management: Theory, Policyand Applications. Irwin, 1996.