Dyfyniad APA

OPEN UNIVERSITY. (1980). MODELS AND DECISION MAKER. OPEN UNIVERSITY PRESS.

Dyfyniad Arddull Chicago

OPEN UNIVERSITY. MODELS AND DECISION MAKER. MILTON KEYNES: OPEN UNIVERSITY PRESS, 1980.

Dyfyniad MLA

OPEN UNIVERSITY. MODELS AND DECISION MAKER. OPEN UNIVERSITY PRESS, 1980.

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