Cita APA (7th ed.)

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.