Cita APA (7th ed.)

(1988). Turbo Pascal, version 5.0: User's guide. Perfect Bound Pub.

Cita Chicago (17th ed.)

Turbo Pascal, Version 5.0: User's Guide. Quezon City: Perfect Bound Pub, 1988.

Cita MLA (9th ed.)

Turbo Pascal, Version 5.0: User's Guide. Perfect Bound Pub, 1988.