Walker, H. M. (1987). Pascal: Problem solving and structured program design. Little.
Citazione stile Chigago Style (17a edizione)Walker, Henry M. Pascal: Problem Solving and Structured Program Design. Boston: Little, 1987.
Citatione MLA (9a ed.)Walker, Henry M. Pascal: Problem Solving and Structured Program Design. Little, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.