APA

Ulrich (Laurie), . (1999). Sams Teach Your Microsoft Office 2000 In 21 Days (W/Disc). : .

Chicago

Ulrich (Laurie), . 1999. Sams Teach Your Microsoft Office 2000 In 21 Days (W/Disc). : .

Harvard

Ulrich (Laurie), . (1999). Sams Teach Your Microsoft Office 2000 In 21 Days (W/Disc). : .

MLA

Ulrich (Laurie), . Sams Teach Your Microsoft Office 2000 In 21 Days (W/Disc). : . 1999.