GOTTFRIED , B. (1986). PROGRAMMING WITH PASCAL. MC GRAW HILL BOOK CO.
Lua i Stíl Chicago (17ú heag.)GOTTFRIED , B.S. PROGRAMMING WITH PASCAL. NEW YORK: MC GRAW HILL BOOK CO, 1986.
Lua MLA (9ú heag.)GOTTFRIED , B.S. PROGRAMMING WITH PASCAL. MC GRAW HILL BOOK CO, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.