Borland International. (1989). Turbo basic: Owner's handbook. Perfect Bound Pub.
Chicago Style (17. basım) AtıfBorland International. Turbo Basic: Owner's Handbook. Quezon City: Perfect Bound Pub, 1989.
MLA (9th ed.) AtıfBorland International. Turbo Basic: Owner's Handbook. Perfect Bound Pub, 1989.
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