Cita APA

(1988). MS-DOS operating system version 4.01: User's guide, user's reference, shell user's guide. North Sioux: Gateway.

Citación estilo Chicago

MS-DOS Operating System Version 4.01: User's Guide, User's Reference, Shell User's Guide. North Sioux: Gateway, 1988.

Cita MLA

MS-DOS Operating System Version 4.01: User's Guide, User's Reference, Shell User's Guide. North Sioux: Gateway, 1988.