(2009). Windows 7 advanced. [writer] Brandon Hefferman. [electronic resource]: Student manual.
Citazione stile Chigago Style (17a edizione)Windows 7 Advanced. [writer] Brandon Hefferman. [electronic Resource]: Student Manual. 2009.
Citatione MLA (9a ed.)Windows 7 Advanced. [writer] Brandon Hefferman. [electronic Resource]: Student Manual. 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.