Cita APA (7th ed.)

Robertson, I. (1991). Audio-visual equipment: A technician's and user's handbook. Butterworth-Heinemann Ltd.

Cita Chicago (17th ed.)

Robertson, Ian. Audio-visual Equipment: A Technician's and User's Handbook. Oxford: Butterworth-Heinemann Ltd, 1991.

Cita MLA (9th ed.)

Robertson, Ian. Audio-visual Equipment: A Technician's and User's Handbook. Butterworth-Heinemann Ltd, 1991.