Warnes, A. R. (1924). Coal tar distillation and working up of tar products (3d ed., rewritten and very greatly enl.). Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Warnes, Arthur R. Coal Tar Distillation and Working Up of Tar Products. 3d ed., rewritten and very greatly enl. New York: Van Nostrand, 1924.
Lua MLA (8ú heag.)Warnes, Arthur R. Coal Tar Distillation and Working Up of Tar Products. 3d ed., rewritten and very greatly enl. Van Nostrand, 1924.
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