Brangwyn, F., & Sparrow, W. S. (1915). A book of bridges. John Lane; John Lane company.
Lua i Stíl Chicago (17ú heag.)Brangwyn, Frank, agus Walter Shaw Sparrow. A Book of Bridges. London, New York: John Lane; John Lane company, 1915.
Lua MLA (8ú heag.)Brangwyn, Frank, agus Walter Shaw Sparrow. A Book of Bridges. John Lane; John Lane company, 1915.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.