APA استشهاد

(1987). Butterworths employment law handbook (4th ed.). Butterworths.

استشهاد بنمط شيكاغو

Butterworths Employment Law Handbook. 4th ed. London: Butterworths, 1987.

MLA استشهاد

Butterworths Employment Law Handbook. 4th ed. Butterworths, 1987.