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.