APA (7 वां संस्करण) प्रशस्ति पत्र

Ruge, P. Time domain analysis of unbounded media using mixed variable formulations. Earthquake engineering & structural dynamics..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ruge, P. "Time Domain Analysis of Unbounded Media Using Mixed Variable Formulations." Earthquake Engineering & Structural Dynamics. .

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Ruge, P. "Time Domain Analysis of Unbounded Media Using Mixed Variable Formulations." Earthquake Engineering & Structural Dynamics., .