Dyfyniad APA

(1961). THE DESIGN RESEARCH LABORATORIES. OXFORD UNIVERSITY PRESS.

Dyfyniad Arddull Chicago

THE DESIGN RESEARCH LABORATORIES. LONDON: OXFORD UNIVERSITY PRESS, 1961.

Dyfyniad MLA

THE DESIGN RESEARCH LABORATORIES. OXFORD UNIVERSITY PRESS, 1961.

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