Concrete Association of India. (1971). Directory of concrete industry in India. C A I.
シカゴスタイル引用形Concrete Association of India. Directory of Concrete Industry in India. Bombay: C A I, 1971.
MLA引用形式Concrete Association of India. Directory of Concrete Industry in India. C A I, 1971.
警告: この引用は必ずしも正確ではありません.