Osbourn, D. (1997). Introduction to building (2nd ed.). Longman.
Lua i Stíl Chicago (17ú heag.)Osbourn, Derek. Introduction to Building. 2nd ed. Harlow, Essex: Longman, 1997.
Lua MLA (9ú heag.)Osbourn, Derek. Introduction to Building. 2nd ed. Longman, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.