Citazione Stile APA (7a Edizione)

International Correspondence Schools. (1905). Wool, wool washing, wool drying, burring and carbonizing, opening and mixing, wool oils and oiling, woollen carding, woollen spinning. I.C.S..

Citazione stile Chigago Style (17a edizione)

International Correspondence Schools. Wool, Wool Washing, Wool Drying, Burring and Carbonizing, Opening and Mixing, Wool Oils and Oiling, Woollen Carding, Woollen Spinning. London: I.C.S., 1905.

Citatione MLA (8a ed.)

International Correspondence Schools. Wool, Wool Washing, Wool Drying, Burring and Carbonizing, Opening and Mixing, Wool Oils and Oiling, Woollen Carding, Woollen Spinning. I.C.S., 1905.