Baldock, D., & Hewett, J. (1989). Possible European community initiatives in relation to the tropical timber trade: A WWF International discussion paper. Londen: IEEP.
Chicago-referens (17:e uppl.)Baldock, David, och Jonathan Hewett. Possible European Community Initiatives in Relation to the Tropical Timber Trade: A WWF International Discussion Paper. Londen: IEEP, 1989.
MLA-referens (8:e uppl.)Baldock, David, och Jonathan Hewett. Possible European Community Initiatives in Relation to the Tropical Timber Trade: A WWF International Discussion Paper. Londen: IEEP, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.