Cita APA (7th ed.)

Berlin, H. M. (1976). 555 timer applications sourcebook, with experiments.

Cita Chicago (17th ed.)

Berlin, Howard M. 555 Timer Applications Sourcebook, with Experiments. Indianapolis : H. W. Sams, 1976.

Cita MLA (9th ed.)

Berlin, Howard M. 555 Timer Applications Sourcebook, with Experiments. 1976.

Atenció: Aquestes cites poden no estar 100% correctes.