Cita APA (7a ed.)

Sin autor. (1987). Turbo Pascal owner's hanbdbook: Word processor. [S.n.].

Cita Chicago Style (17a ed.)

Sin autor. Turbo Pascal Owner's Hanbdbook: Word Processor. California: [S.n.], 1987.

Cita MLA (9a ed.)

Sin autor. Turbo Pascal Owner's Hanbdbook: Word Processor. [S.n.], 1987.