APA aipamena

(1997). The clay marble and related readings. Evanston, Illinois: McDougal Littell.

Chicago Style aipamena

The Clay Marble and Related Readings. Evanston, Illinois: McDougal Littell, 1997.

MLA aipamena

The Clay Marble and Related Readings. Evanston, Illinois: McDougal Littell, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.