Mathews, F. (2016). Ardea: A Philosophical Novella. punctum books.
Chicago Style (17th ed.) ZitazioaMathews, Freya. Ardea: A Philosophical Novella. Brooklyn, NY: punctum books, 2016.
MLA (9th ed.) ZitazioaMathews, Freya. Ardea: A Philosophical Novella. punctum books, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.