Leestma, S., Nyhoff, L. Pascal. Programming and Problem Solving. New York etc.: Macmillam Publishing Company, 1990 748 p. : ill. 0-02-369685-0.
Leestma, S., Nyhoff, L. Pascal. Programming and Problem Solving. New York etc.: Macmillam Publishing Company, 1990 748 p. : ill. 0-02-369685-0.
Leestma, S., Nyhoff, L. (1990) Pascal. Programming and Problem Solving, New York etc.: Macmillam Publishing Company 748 p. : ill. 0-02-369685-0.
Leestma, S., & Nyhoff, L. (1990). Pascal. Programming and Problem Solving. Monogr.. New York etc.: Macmillam Publishing Company, 748 p. : ill.
Leestma S, Nyhoff L. Pascal. Programming and Problem Solving: Monogr.. New York etc.: Macmillam Publishing Company; 1990. p. 748 p. : ill. ISBN: 0-02-369685-0.