Παραπομπή σε μορφή APA (7η εκδ.)

Boyd, R., & Hyde, W. F. (1989). Forestry sector intervention: The impacts of public regulation on social welfare. Iowa State University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Boyd, Roy, και William F. Hyde. Forestry Sector Intervention: The Impacts of Public Regulation on Social Welfare. Ames: Iowa State University Press, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Boyd, Roy, και William F. Hyde. Forestry Sector Intervention: The Impacts of Public Regulation on Social Welfare. Iowa State University Press, 1989.