APA استشهاد

Beattie. (1970). Elements of estate duty (7th ed.). Butterworths.

استشهاد بنمط شيكاغو

Beattie. Elements of Estate Duty. 7th ed. London: Butterworths, 1970.

MLA استشهاد

Beattie. Elements of Estate Duty. 7th ed. Butterworths, 1970.