Gaya APA

Perk, C, G., Dekker, K, D. (1973). The Manufacture of Sugar from Sugarcane . Duban Afrika Selatan: The Press at Kingmead.

Gaya MLA

Perk, Charles, G.M.., Dekker, K., Douwes. "The Manufacture of Sugar from Sugarcane". Duban Afrika Selatan: The Press at Kingmead, 1973. Text.