APA aipamena

Brooke, H., & Helen Brooke. (2000). Mystery in London. Oxford: Oxford University Press.

Chicago Style aipamena

Brooke, Helen, và Helen Brooke. Mystery in London. Oxford: Oxford University Press, 2000.

MLA aipamena

Brooke, Helen, và Helen Brooke. Mystery in London. Oxford: Oxford University Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.