Dyfyniad APA

Frieling, R. The art of participation: 1950 to now.

Dyfyniad Arddull Chicago

Frieling, Rudolf. The Art of Participation: 1950 to Now.

Dyfyniad MLA

Frieling, Rudolf. The Art of Participation: 1950 to Now.

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