Beckett, H. E., & Godfrey, J. A. (1974). Windows: Performance, design and installation. Crosby Lockwood Stables.
Lua i Stíl Chicago (17ú heag.)Beckett, H. E., agus J. A. Godfrey. Windows: Performance, Design and Installation. London: Crosby Lockwood Stables, 1974.
Lua MLA (9ú heag.)Beckett, H. E., agus J. A. Godfrey. Windows: Performance, Design and Installation. Crosby Lockwood Stables, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.