PARK. (1975). Reinforced Concrete Structures. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)PARK. Reinforced Concrete Structures. John Wiley & Sons, 1975.
Lua MLA (8ú heag.)PARK. Reinforced Concrete Structures. John Wiley & Sons, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.