Leestma, S., & Nyhoff, L. R. (1990). Pascal: Programming and problem solving (3rd ed.). Macmillan ; Collier Macmillan.
Chicago Style (17. basım) AtıfLeestma, Sanford, ve Larry R. Nyhoff. Pascal: Programming and Problem Solving. 3rd ed. New York : London: Macmillan ; Collier Macmillan, 1990.
MLA (9th ed.) AtıfLeestma, Sanford, ve Larry R. Nyhoff. Pascal: Programming and Problem Solving. 3rd ed. Macmillan ; Collier Macmillan, 1990.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..