Schmidt, M. F. (1937). Operating expenses of the retail lumber yards in the mountain states region, 1936. Bureau of Business and Government Research, Universtiy of Colorado.
Chicago-referens (17:e uppl.)Schmidt, Martin Frederick. Operating Expenses of the Retail Lumber Yards in the Mountain States Region, 1936. [Boulder]: Bureau of Business and Government Research, Universtiy of Colorado, 1937.
MLA-referens (8:e uppl.)Schmidt, Martin Frederick. Operating Expenses of the Retail Lumber Yards in the Mountain States Region, 1936. Bureau of Business and Government Research, Universtiy of Colorado, 1937.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.