Lieberman, N. P., & Lieberman, E. T. (2008). A Working guide to process equipment (Third edition.). McGraw-Hill.
Cita Chicago (17th ed.)Lieberman, Norman P., i Elizabeth T. Lieberman. A Working Guide to Process Equipment. Third edition. New York: McGraw-Hill, 2008.
Cita MLA (9th ed.)Lieberman, Norman P., i Elizabeth T. Lieberman. A Working Guide to Process Equipment. Third edition. McGraw-Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.