Thorp, J. (1928). Design in modern printing. Benn.
Lua i Stíl Chicago (17ú heag.)Thorp, Joseph. Design in Modern Printing. London: Benn, 1928.
Lua MLA (8ú heag.)Thorp, Joseph. Design in Modern Printing. Benn, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.