Beattie. (1970). Elements of estate duty (7th ed.). Butterworths.
Chicago Style aipamenaBeattie. Elements of Estate Duty. 7th ed. London: Butterworths, 1970.
MLA aipamenaBeattie. Elements of Estate Duty. 7th ed. Butterworths, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.