Lua APA (7ú heag.)
(2013). Properties of concrete (5th ed.). Pearson Education Limited.
Lua i Stíl Chicago (17ú heag.)
Properties of Concrete. 5th ed. India: Pearson Education Limited, 2013.
Lua MLA (9ú heag.)
Properties of Concrete. 5th ed. Pearson Education Limited, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.