Barr, W. E., & Anhorn, V. J. (1949). Scientific and industrial glass blowing and laboratory techniques. Instrument Pub. Co..
Lua i Stíl Chicago (17ú heag.)Barr, W. E., agus Victor John Anhorn. Scientific and Industrial Glass Blowing and Laboratory Techniques. Pittsburgh: Instrument Pub. Co., 1949.
Lua MLA (8ú heag.)Barr, W. E., agus Victor John Anhorn. Scientific and Industrial Glass Blowing and Laboratory Techniques. Instrument Pub. Co., 1949.
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