Dyfyniad APA

Concrete Association of India. (1971). Directory of concrete industry in India. C A I.

Dyfyniad Arddull Chicago

Concrete Association of India. Directory of Concrete Industry in India. Bombay: C A I, 1971.

Dyfyniad MLA

Concrete Association of India. Directory of Concrete Industry in India. C A I, 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.