APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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