Cita APA (7th ed.)

Leestma, S., & Hyhoff, L. R. (1990). Pascal: Programming and problem solving. Macmillan Publishing Co.

Cita Chicago (17th ed.)

Leestma, Sanford, i Larry R. Hyhoff. Pascal: Programming and Problem Solving. New York: Macmillan Publishing Co, 1990.

Cita MLA (9th ed.)

Leestma, Sanford, i Larry R. Hyhoff. Pascal: Programming and Problem Solving. Macmillan Publishing Co, 1990.