APA (7th ed.) Zitazioa
Ziporyn, B. (2003). The Penumbra unbound: The neo-Taoist philosophy of Guo Xiang. State University of New York Press.
Chicago Style (17th ed.) Zitazioa
Ziporyn, Brook. The Penumbra Unbound: The Neo-Taoist Philosophy of Guo Xiang. Albany: State University of New York Press, 2003.
MLA (9th ed.) Zitazioa
Ziporyn, Brook. The Penumbra Unbound: The Neo-Taoist Philosophy of Guo Xiang. State University of New York Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.