Great Britain. Committee on Industry and Trade & Balfour, A. (1928). Further factors in industrial and commercial efficiency: Being part II of a Survey of industries. H.M.S.O..
Chicago-viite (17. p.)Great Britain. Committee on Industry and Trade ja Arthur Balfour. Further Factors in Industrial and Commercial Efficiency: Being Part II of a Survey of Industries. London: H.M.S.O., 1928.
MLA-viite (8. p.)Great Britain. Committee on Industry and Trade ja Arthur Balfour. Further Factors in Industrial and Commercial Efficiency: Being Part II of a Survey of Industries. H.M.S.O., 1928.
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