CHURDEN, H. J. (1976). Readings In Personel Management Herbert J. Churden Dan Arthur W. Sherman Jr. South-Western P.C.
Lua i Stíl Chicago (17ú heag.)CHURDEN, Herbert J. Readings In Personel Management Herbert J. Churden Dan Arthur W. Sherman Jr. South-Western P.C, 1976.
Lua MLA (8ú heag.)CHURDEN, Herbert J. Readings In Personel Management Herbert J. Churden Dan Arthur W. Sherman Jr. South-Western P.C, 1976.
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