APA (7 वां संस्करण) प्रशस्ति पत्र

Helfrick, A. D. &. C. W. D. (2023). Modern Electronic Instrumentation And Measurement Techniques (15th.). Pearson.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Helfrick, Albert D. & Cooper William D. Modern Electronic Instrumentation And Measurement Techniques. 15th. New Delhi: Pearson, 2023.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Helfrick, Albert D. & Cooper William D. Modern Electronic Instrumentation And Measurement Techniques. 15th. Pearson, 2023.