(1969). Cowles encyclopedia of science, industry, and technology. New York: Cowles Book Co.
Trích dẫn kiểu ChicagoCowles Encyclopedia of Science, Industry, and Technology. New York: Cowles Book Co, 1969.
MLA引文Cowles Encyclopedia of Science, Industry, and Technology. New York: Cowles Book Co, 1969.
警告:這些引文格式不一定是100%准確.