Kieburtz, R. B. (1977). Structured programming and problem solving with PL/1. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Kieburtz, Richard B. Structured Programming and Problem Solving with PL/1. Englewood Cliffs, N.J.: Prentice-Hall, 1977.
Citatione MLA (8a ed.)Kieburtz, Richard B. Structured Programming and Problem Solving with PL/1. Prentice-Hall, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.