Παραπομπή σε μορφή APA (7η εκδ.)

Bruins, R. J. F., & Heberling, M. T. (2005). Economics and ecological risk assessment: Applications to watershed management. CRC Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bruins, Randall J. F., και Matthew T. Heberling. Economics and Ecological Risk Assessment: Applications to Watershed Management. Boca Raton: CRC Press, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bruins, Randall J. F., και Matthew T. Heberling. Economics and Ecological Risk Assessment: Applications to Watershed Management. CRC Press, 2005.