Cita APA (7th ed.)

(1984). Business software for the IBM personal computer / InfoSource, Inc.

Cita Chicago (17th ed.)

Business Software for the IBM Personal Computer / InfoSource, Inc. 1984.

Cita MLA (9th ed.)

Business Software for the IBM Personal Computer / InfoSource, Inc. 1984.

Atenció: Aquestes cites poden no estar 100% correctes.