Great Britain. Schools Council Project Technology. (1973). Photocell applications. Hodder and Stoughton.
Cita Chicago (17th ed.)Great Britain. Schools Council Project Technology. Photocell Applications. London: Hodder and Stoughton, 1973.
Cita MLA (9th ed.)Great Britain. Schools Council Project Technology. Photocell Applications. Hodder and Stoughton, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.