Constant, B. (1974). Chemical and process technology encyclopedia. McGraw-Hill.
Cita Chicago (17th ed.)Constant, Benjamin. Chemical and Process Technology Encyclopedia. Nueva York: McGraw-Hill, 1974.
Cita MLA (9th ed.)Constant, Benjamin. Chemical and Process Technology Encyclopedia. McGraw-Hill, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.