İnternational Unıon of Forestry Research Organisations. (1973). Annual Report = Rapport Annuel = Jahresbericht 1973. [y.y.]: IUFRO.
Chicago Style Citationİnternational Unıon of Forestry Research Organisations. Annual Report = Rapport Annuel = Jahresbericht 1973. [y.y.]: IUFRO, 1973.
MLA Citationİnternational Unıon of Forestry Research Organisations. Annual Report = Rapport Annuel = Jahresbericht 1973. [y.y.]: IUFRO, 1973.
Warning: These citations may not always be 100% accurate.