APA (7 वां संस्करण) प्रशस्ति पत्र

Schruben, L. W. (1995). Graphical simulation modeling and analysis: Using SIGMA for Windows. Boyd & Fraser Pub. Co.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Schruben, Lee W. Graphical Simulation Modeling and Analysis: Using SIGMA for Windows. Danvers, Mass: Boyd & Fraser Pub. Co, 1995.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Schruben, Lee W. Graphical Simulation Modeling and Analysis: Using SIGMA for Windows. Boyd & Fraser Pub. Co, 1995.