Cita APA (7th ed.)

BELL D. A. (1990). OPERATIONAL AMPLIFIERS. PRENTICE - HALL.

Cita Chicago (17th ed.)

BELL D. A. OPERATIONAL AMPLIFIERS. LONDON: PRENTICE - HALL, 1990.

Cita MLA (9th ed.)

BELL D. A. OPERATIONAL AMPLIFIERS. PRENTICE - HALL, 1990.