APA

United States, . (198). Tax policy: how tax incentives encourage soil and water conservation investments. [Washington, D.C: .

Chicago

United States, . 198. Tax policy: how tax incentives encourage soil and water conservation investments. [Washington, D.C: .

Harvard

United States, . (198). Tax policy: how tax incentives encourage soil and water conservation investments. [Washington, D.C: .

MLA

United States, . Tax policy: how tax incentives encourage soil and water conservation investments. [Washington, D.C: . 198.