Cita APA (7a ed.)

By editorial Hobbyist , e. . .. (1998). Practical timer projects. BPB Pub.

Cita Chicago Style (17a ed.)

By editorial Hobbyist , electronics. Practical Timer Projects. New Delhi: BPB Pub, 1998.

Cita MLA (9a ed.)

By editorial Hobbyist , electronics. Practical Timer Projects. BPB Pub, 1998.