Halsbury's statutes of England and Wales.4th ed. Volume.33,Patents and Designs Police.1987. Butterworths.
Chicago Edition CitationHalsbury's Statutes of England and Wales.4th Ed. Volume.33,Patents and Designs Police.1987. London: Butterworths.
ציטוט MLAHalsbury's Statutes of England and Wales.4th Ed. Volume.33,Patents and Designs Police.1987. Butterworths.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.