Dyfyniad APA

Warnes, A. R. (1924). Coal tar distillation and working up of tar products (3d ed., rewritten and very greatly enl.). Van Nostrand.

Dyfyniad Arddull Chicago

Warnes, Arthur R. Coal Tar Distillation and Working Up of Tar Products. 3d ed., rewritten and very greatly enl. New York: Van Nostrand, 1924.

Dyfyniad MLA

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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