Hayward, A. L., & Sparkes, J. J. (1968). Cassell's English dictionary: Including words & phrases current among the English-speaking peoples of the world, together with many technical & scientific terms in common use (Fourth edition.). Cassell.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hayward, Arthur Lawrence, و John J. Sparkes. Cassell's English Dictionary: Including Words & Phrases Current Among the English-speaking Peoples of the World, Together with Many Technical & Scientific Terms in Common Use. Fourth edition. London: Cassell, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hayward, Arthur Lawrence, و John J. Sparkes. Cassell's English Dictionary: Including Words & Phrases Current Among the English-speaking Peoples of the World, Together with Many Technical & Scientific Terms in Common Use. Fourth edition. Cassell, 1968.