Cita APA (7th ed.)

Kieburtz, R. B. (1977). Structured programming and problem solving with PL/1. Prentice-Hall.

Cita Chicago (17th ed.)

Kieburtz, Richard B. Structured Programming and Problem Solving with PL/1. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

Cita MLA (8th ed.)

Kieburtz, Richard B. Structured Programming and Problem Solving with PL/1. Prentice-Hall, 1977.