Long, G. L. (1994). Chemistry tool kit (6th ed.). Prentice-Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Long, Gary L. Chemistry Tool Kit. 6th ed. New Jersey/Englewood Cliffs: Prentice-Hall, Inc, 1994.
Lua MLA (9ú heag.)Long, Gary L. Chemistry Tool Kit. 6th ed. Prentice-Hall, Inc, 1994.
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