APA aipamena

Helfrick, A. D. (1977). Modern electronic instrumentation and measurement techniques. Prentice-Hall of India.

Chicago Style aipamena

Helfrick, Albert D. Modern Electronic Instrumentation and Measurement Techniques. New Delhi: Prentice-Hall of India, 1977.

MLA aipamena

Helfrick, Albert D. Modern Electronic Instrumentation and Measurement Techniques. Prentice-Hall of India, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.