APA aipamena

Paul Kalanithi. (2016). When breath becomes air. The Bodley head.

Chicago Style aipamena

Paul Kalanithi. When Breath Becomes Air. London: The Bodley head, 2016.

MLA aipamena

Paul Kalanithi. When Breath Becomes Air. The Bodley head, 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.