(1951). Growing wool. Department of Education of the International Wool Secretariat.
Chicago Style aipamenaGrowing Wool. London: Department of Education of the International Wool Secretariat, 1951.
MLA aipamenaGrowing Wool. Department of Education of the International Wool Secretariat, 1951.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.