Murdock, L. J. (1960). Concrete materials and pracrtice (3rd ed.).
शिकागो स्टाइल उद्धरणMurdock, L. J. Concrete Materials and Pracrtice. 3rd ed. 1960.
एमएलए उद्धरणMurdock, L. J. Concrete Materials and Pracrtice. 3rd ed. 1960.
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