Riddall, J. G. (1991). Jurisprudence. Butterworth.
Chicago Style aipamenaRiddall, J. G. Jurisprudence. London: Butterworth, 1991.
MLA aipamenaRiddall, J. G. Jurisprudence. Butterworth, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Riddall, J. G. (1991). Jurisprudence. Butterworth.
Chicago Style aipamenaRiddall, J. G. Jurisprudence. London: Butterworth, 1991.
MLA aipamenaRiddall, J. G. Jurisprudence. Butterworth, 1991.