Charm, S. D. (1949). Wage policy for management. Funk & Wagnalls.
Lua i Stíl Chicago (17ú heag.)Charm, Sumner D. Wage Policy for Management. New York: Funk & Wagnalls, 1949.
Lua MLA (9ú heag.)Charm, Sumner D. Wage Policy for Management. Funk & Wagnalls, 1949.
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