Dyfyniad APA

International Wool Secretariat. Dept. of Education. (1950). The world book of wool. the Dept., International Wool Secretariat.

Dyfyniad Arddull Chicago

International Wool Secretariat. Dept. of Education. The World Book of Wool. London: the Dept., International Wool Secretariat, 1950.

Dyfyniad MLA

International Wool Secretariat. Dept. of Education. The World Book of Wool. the Dept., International Wool Secretariat, 1950.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.