Helfrick, A. D., & Cooper, W. D. (1990). Modern electronic instrumentation and measurement techniques. Prentice-Hall.
Chicago Style (17. basım) AtıfHelfrick, Albert D., ve William David Cooper. Modern Electronic Instrumentation and Measurement Techniques. Englewood Cliffs, NJ: Prentice-Hall, 1990.
MLA (8th ed.) AtıfHelfrick, Albert D., ve William David Cooper. Modern Electronic Instrumentation and Measurement Techniques. Prentice-Hall, 1990.
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