International Wool Secretariat. Dept. of Education. (1950). The world book of wool. the Dept., International Wool Secretariat.
Citace podle Chicago (17th ed.)International Wool Secretariat. Dept. of Education. The World Book of Wool. London: the Dept., International Wool Secretariat, 1950.
Citace podle MLA (8th ed.)International Wool Secretariat. Dept. of Education. The World Book of Wool. the Dept., International Wool Secretariat, 1950.
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