Não informado. (1948). International Chemical Engineering and Process Industries. Leonard Hill Technical Group.
Citação do estilo Chicago (17ª ed.)Não informado. International Chemical Engineering and Process Industries. London: Leonard Hill Technical Group, 1948.
Citação MLA (8ª ed.)Não informado. International Chemical Engineering and Process Industries. Leonard Hill Technical Group, 1948.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.