Cita APA (7th ed.)
Leestma, S., & Nyhoff, L. R. (1987). Pascal: Programming and problem solving (2nd ed.). Macmillan.
Cita Chicago (17th ed.)
Leestma, Sanford, i Larry R. Nyhoff. Pascal: Programming and Problem Solving. 2nd ed. New York: Macmillan, 1987.
Cita MLA (9th ed.)
Leestma, Sanford, i Larry R. Nyhoff. Pascal: Programming and Problem Solving. 2nd ed. Macmillan, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.