Hall, G. L. (1948). The management guide: The development of the management guide as an organization and administrative aid in the Standard Oil Company of California. s.n.
Lua i Stíl Chicago (17ú heag.)Hall, George Lawrence. The Management Guide: The Development of the Management Guide as an Organization and Administrative Aid in the Standard Oil Company of California. San Francisco: s.n, 1948.
Lua MLA (9ú heag.)Hall, George Lawrence. The Management Guide: The Development of the Management Guide as an Organization and Administrative Aid in the Standard Oil Company of California. s.n, 1948.
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