Gaya APA

Poucher, W. (1974). Perfumes, Cosmetics And Soaps Volume I: The Raw Materials Of Perfumery (Seventh Edition). London: London Chapman and Hall .

Gaya MLA

Poucher, W.A.. "Perfumes, Cosmetics And Soaps Volume I: The Raw Materials Of Perfumery". Seventh Edition London: London Chapman and Hall , 1974. FAKULTAS TEKNIK.