International Wool Secretariat. Dept. of Education. (1950). The world book of wool. the Dept., International Wool Secretariat.
Chicago-referens (17:e uppl.)International Wool Secretariat. Dept. of Education. The World Book of Wool. London: the Dept., International Wool Secretariat, 1950.
MLA-referens (8:e uppl.)International Wool Secretariat. Dept. of Education. The World Book of Wool. the Dept., International Wool Secretariat, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.