APA (7e ed.) Bronvermelding

Henderson, J. E., & Smith, J. M. Threatened and endangered species: At what cost? the corps of engineers looks at expenditures and priorities. Environmental management.

Chicago (17e ed.) Bronvermelding

Henderson, Jim E., en Jennifer M. Smith. "Threatened and Endangered Species: At What Cost? the Corps of Engineers Looks at Expenditures and Priorities." Environmental Management .

MLA (9e ed.) Bronvermelding

Henderson, Jim E., en Jennifer M. Smith. "Threatened and Endangered Species: At What Cost? the Corps of Engineers Looks at Expenditures and Priorities." Environmental Management, .