Poucher, W. (1974). Perfumes, Cosemetic and Soaps (8th ed.). B.I.
Dyfyniad Arddull ChicagoPoucher, W.A. Perfumes, Cosemetic and Soaps. 8th ed. New Delhi: B.I, 1974.
Dyfyniad MLAPoucher, W.A. Perfumes, Cosemetic and Soaps. 8th ed. B.I, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.