Black, W. P. M. (1980). Pretensioning and thermal strains measured in a concrete composite bridge. Transport and Road Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Black, W. P. M. Pretensioning and Thermal Strains Measured in a Concrete Composite Bridge. Crowthorne, Eng: Transport and Road Research Laboratory, 1980.
Lua MLA (9ú heag.)Black, W. P. M. Pretensioning and Thermal Strains Measured in a Concrete Composite Bridge. Transport and Road Research Laboratory, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.