APA način citiranja (7. izdanje)
Helfrick, A. D., & Cooper, W. D. (1990). Modern electronic instrumentation and measurement techniques. Prentice Hall of India.
Čikaški stil citiranja (17. izdanje)
Helfrick, Albert D., i William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. New Delhi: Prentice Hall of India, 1990.
MLA način citiranja (9. izdanje)
Helfrick, Albert D., i William D. Cooper. Modern Electronic Instrumentation and Measurement Techniques. Prentice Hall of India, 1990.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.