APA
Albert D. Helfrick, Cooper W.D, . (2007). Modern Electronic Instrumentation and Measurements Techniques. New Delhi: PHI.
Chicago
Albert D. Helfrick, Cooper W.D, . 2007. Modern Electronic Instrumentation and Measurements Techniques. New Delhi: PHI.
Harvard
Albert D. Helfrick, Cooper W.D, . (2007). Modern Electronic Instrumentation and Measurements Techniques. New Delhi: PHI.
MLA
Albert D. Helfrick, Cooper W.D, . Modern Electronic Instrumentation and Measurements Techniques. New Delhi: PHI. 2007.