FERGUSON, P. M. (1973). Reinforced Concrete Fundamentals Phil M. Ferguson. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)FERGUSON, Phil M. Reinforced Concrete Fundamentals Phil M. Ferguson. John Wiley & Sons, 1973.
Lua MLA (8ú heag.)FERGUSON, Phil M. Reinforced Concrete Fundamentals Phil M. Ferguson. John Wiley & Sons, 1973.
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