Cita APA (7th ed.)

Cooper , W. . D. . .., & Helfrick , A. D. . .. (1985). Electronic instrumentation and measurement techniques (3rd ed.). Prentice Hall of India.

Cita Chicago (17th ed.)

Cooper , William David ., i Albert D. Helfrick. Electronic Instrumentation and Measurement Techniques. 3rd ed. New Delhi: Prentice Hall of India, 1985.

Cita MLA (9th ed.)

Cooper , William David ., i Albert D. Helfrick. Electronic Instrumentation and Measurement Techniques. 3rd ed. Prentice Hall of India, 1985.