LARKAM, R. D. (1973). Profit Improvement Techniques An Action Programme For Management. Gower Press.
Lua i Stíl Chicago (17ú heag.)LARKAM, R Dick. Profit Improvement Techniques An Action Programme For Management. Gower Press, 1973.
Lua MLA (8ú heag.)LARKAM, R Dick. Profit Improvement Techniques An Action Programme For Management. Gower Press, 1973.
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