Wilby, C. B., & Naqvi, M. M. (1973). Reinforced concrete conoidal shell roofs: Flexural theory design tables. Cement and Concrete Association.
Lua i Stíl Chicago (17ú heag.)Wilby, C. B., agus Mohammad Matin Naqvi. Reinforced Concrete Conoidal Shell Roofs: Flexural Theory Design Tables. London: Cement and Concrete Association, 1973.
Lua MLA (8ú heag.)Wilby, C. B., agus Mohammad Matin Naqvi. Reinforced Concrete Conoidal Shell Roofs: Flexural Theory Design Tables. Cement and Concrete Association, 1973.
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