APA (7th ed.) Zitazioa
Madden, R. G. (2003). Essential law for social workers. Columbia University Press.
Chicago Style (17th ed.) Zitazioa
Madden, Robert G. Essential Law for Social Workers. New York ; Chichester: Columbia University Press, 2003.
MLA (9th ed.) Zitazioa
Madden, Robert G. Essential Law for Social Workers. Columbia University Press, 2003.
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