Gillis, M. (1988). Deforestation and government policy. International Center for Economic Growth.
Chicago-referens (17:e uppl.)Gillis, Malcolm. Deforestation and Government Policy. San Fransisco, Calif: International Center for Economic Growth, 1988.
MLA-referens (9:e uppl.)Gillis, Malcolm. Deforestation and Government Policy. International Center for Economic Growth, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.