Não informado. (1948). International Chemical Engineering and Process Industries. Leonard Hill Technical Group.
Chicago Style (17. basım) AtıfNão informado. International Chemical Engineering and Process Industries. London: Leonard Hill Technical Group, 1948.
MLA (8th ed.) AtıfNão informado. International Chemical Engineering and Process Industries. Leonard Hill Technical Group, 1948.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..