Não informado. (1951). Chemical Engineering Progress Symposium Series. American Institute of Chemical Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. Chemical Engineering Progress Symposium Series. New York: American Institute of Chemical Engineers, 1951.
Citação MLA (8ª ed.)Não informado. Chemical Engineering Progress Symposium Series. American Institute of Chemical Engineers, 1951.
警告：這些引文格式不一定是100％准確.