Dyfyniad APA

Yeats, J. B., & Skelton, R. (1971). Collected plays. Sacker.

Dyfyniad Arddull Chicago

Yeats, Jack B., and Robin Skelton. Collected Plays. Sacker, 1971.

Dyfyniad MLA

Yeats, Jack B., and Robin Skelton. Collected Plays. Sacker, 1971.

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