MALAGHAN MICHAEL G. (2005). MAKING MILLIONS IN DIRECT SALES. MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)MALAGHAN MICHAEL G. MAKING MILLIONS IN DIRECT SALES. NEW YORK: MCGRAW-HILL, 2005.
Lua MLA (9ú heag.)MALAGHAN MICHAEL G. MAKING MILLIONS IN DIRECT SALES. MCGRAW-HILL, 2005.
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