West Virginia Pulp and Paper Company. Industrial Chemical Sales Division. (1937). The modern purifier. Industrial chemical sales division, West Virginia pulp & paper company.
Čikaški stil citiranja (17. izdanje)West Virginia Pulp and Paper Company. Industrial Chemical Sales Division. The Modern Purifier. New York, Chicago: Industrial chemical sales division, West Virginia pulp & paper company, 1937.
MLA način citiranja (8. izdanje)West Virginia Pulp and Paper Company. Industrial Chemical Sales Division. The Modern Purifier. Industrial chemical sales division, West Virginia pulp & paper company, 1937.
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