APA

Microsoft Word 6 para Windows. Madrid, España : McGraw-Hill Interamericana, 1994: .

Chicago

Microsoft Word 6 para Windows. Madrid, España : McGraw-Hill Interamericana, 1994: .

Harvard

Microsoft Word 6 para Windows. Madrid, España : McGraw-Hill Interamericana, 1994: .

MLA

Madrid, España : McGraw-Hill Interamericana, 1994: . .