Helfrick, A. D., & Cooper, W. D. (1992). Modern electronic instrumentation and measurement techniques. Prentice-Hall of India.
Chicago Style (17. basım) AtıfHelfrick, Albert D., ve William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. New Delhi: Prentice-Hall of India, 1992.
MLA (9th ed.) AtıfHelfrick, Albert D., ve William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. Prentice-Hall of India, 1992.
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