Dyfyniad APA

(1975). Research and industry, 1975-76, Vol.20-21, No.01-04.

Dyfyniad Arddull Chicago

Research and Industry, 1975-76, Vol.20-21, No.01-04. Council of Scientific & Industrial Research, New Delhi, 1975.

Dyfyniad MLA

Research and Industry, 1975-76, Vol.20-21, No.01-04. 1975.

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