APA aipamena

Brewer, D. (1973). Chaucer: In his time. Longman.

Chicago Style aipamena

Brewer, Derek. Chaucer: In His Time. Longman, 1973.

MLA aipamena

Brewer, Derek. Chaucer: In His Time. Longman, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.