Designers and Art Directors Association of London & Clibborn, E. B. (1989). Tomorrow's designers today '89. Designers and Art Directors Association.
Lua i Stíl Chicago (17ú heag.)Designers and Art Directors Association of London agus Edward Booth Clibborn. Tomorrow's Designers Today '89. London: Designers and Art Directors Association, 1989.
Lua MLA (9ú heag.)Designers and Art Directors Association of London agus Edward Booth Clibborn. Tomorrow's Designers Today '89. Designers and Art Directors Association, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.