APA aipamena

Watts, C. T. (1985). A preface to Keats. Longman.

Chicago Style aipamena

Watts, Cedric Thomas. A Preface to Keats. London ; New York: Longman, 1985.

MLA aipamena

Watts, Cedric Thomas. A Preface to Keats. Longman, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.