McPherson, A., & Timms, H. (1988). The audio-visual handbook: A complete guide to the world of audio-visual techniques. Pelham Books.
Lua i Stíl Chicago (17ú heag.)McPherson, Alan, agus Howard Timms. The Audio-visual Handbook: A Complete Guide to the World of Audio-visual Techniques. London: Pelham Books, 1988.
Lua MLA (9ú heag.)McPherson, Alan, agus Howard Timms. The Audio-visual Handbook: A Complete Guide to the World of Audio-visual Techniques. Pelham Books, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.