APA (7th ed.) Citation

Borland International. (1989). Turbo basic: Owner's handbook. Perfect Bound Pub.

Chicago Style (17th ed.) Citation

Borland International. Turbo Basic: Owner's Handbook. Quezon City: Perfect Bound Pub, 1989.

MLA (9th ed.) Citation

Borland International. Turbo Basic: Owner's Handbook. Perfect Bound Pub, 1989.