Lua APA (7ú heag.)
Concrete technology / Santhakumar,A.R: Oxford 624.1834 Sa231.
Lua i Stíl Chicago (17ú heag.)
Concrete Technology / Santhakumar,A.R: Oxford 624.1834 Sa231.
Lua MLA (9ú heag.)
Concrete Technology / Santhakumar,A.R: Oxford 624.1834 Sa231.
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