APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.