APA (7th ed.) Citation

Beaumont, Graham, & National Extension College. (1989). Preliminary Turbo Pascal. Kogan page.

Chicago Style (17th ed.) Citation

Beaumont, Graham, and National Extension College. Preliminary Turbo Pascal. London: Kogan page, 1989.

MLA (9th ed.) Citation

Beaumont, Graham, and National Extension College. Preliminary Turbo Pascal. Kogan page, 1989.

Warning: These citations may not always be 100% accurate.