International Wool Secretariat. Dept. of Education. (1950). The world book of wool. the Dept., International Wool Secretariat.
Chicago-viite (17. p.)International Wool Secretariat. Dept. of Education. The World Book of Wool. London: the Dept., International Wool Secretariat, 1950.
MLA-viite (8. p.)International Wool Secretariat. Dept. of Education. The World Book of Wool. the Dept., International Wool Secretariat, 1950.
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