Dyfyniad APA
Helfrick, A. D., & Cooper, W. D. (1990). Modern electronic instrumentation and measurement techniques. Prentice Hall of India.
Dyfyniad Arddull Chicago
Helfrick, Albert D., and William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. New Delhi: Prentice Hall of India, 1990.
Dyfyniad MLA
Helfrick, Albert D., and William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. Prentice Hall of India, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.