Dyfyniad APA

Lord, P. (1963). Noise measurement and control. Heywood & Company.

Dyfyniad Arddull Chicago

Lord, P. Noise Measurement and Control. Heywood & Company, 1963.

Dyfyniad MLA

Lord, P. Noise Measurement and Control. Heywood & Company, 1963.

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