Cowan Thomos A. American Jurisprudence Reader. Oceana Publication.
Chicago Style aipamenaCowan Thomos A. American Jurisprudence Reader. New York: Oceana Publication.
MLA aipamenaCowan Thomos A. American Jurisprudence Reader. Oceana Publication.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.