APA-referens (7:e uppl.)

ALTER STEVEN. (1999). INFORMATION SYSTEM: A MANAGEMENT PERSPECTIVE (3RD.). MCGRAW-HILL.

Chicago-referens (17:e uppl.)

ALTER STEVEN. INFORMATION SYSTEM: A MANAGEMENT PERSPECTIVE. 3RD. NEW YORK: MCGRAW-HILL, 1999.

MLA-referens (9:e uppl.)

ALTER STEVEN. INFORMATION SYSTEM: A MANAGEMENT PERSPECTIVE. 3RD. MCGRAW-HILL, 1999.