APA (7th ed.) Zitazioa
Friedman, L. M. (2002). American law in the 20th century. Yale University Press.
Chicago Style (17th ed.) Zitazioa
Friedman, Lawrence Meir. American Law in the 20th Century. New Haven: Yale University Press, 2002.
MLA (9th ed.) Zitazioa
Friedman, Lawrence Meir. American Law in the 20th Century. Yale University Press, 2002.
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