Lieberman, N. P., & Lieberman, E. T. (1997). A working guide to process equipment: How process equipment works. McGraw-Hill.
Cita Chicago (17th ed.)Lieberman, Norman P., i Elizabeth T. Lieberman. A Working Guide to Process Equipment: How Process Equipment Works. New York: McGraw-Hill, 1997.
Cita MLA (9th ed.)Lieberman, Norman P., i Elizabeth T. Lieberman. A Working Guide to Process Equipment: How Process Equipment Works. McGraw-Hill, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.