Lieberman, N. P., & Lieberman, E. T. (2008). A Working guide to process equipment (Third edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Lieberman, Norman P., agus Elizabeth T. Lieberman. A Working Guide to Process Equipment. Third edition. New York: McGraw-Hill, 2008.
Lua MLA (9ú heag.)Lieberman, Norman P., agus Elizabeth T. Lieberman. A Working Guide to Process Equipment. Third edition. McGraw-Hill, 2008.
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