Dyfyniad APA

Cheng. The Umbrella Movement. Amsterdam University Press.

Dyfyniad Arddull Chicago

Cheng. The Umbrella Movement. Amsterdam University Press.

Dyfyniad MLA

Cheng. The Umbrella Movement. Amsterdam University Press.

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