Humphreys, T. A. (1967). An O-level additional mathematics. Pergamon Press, Ltd.
Chicago Style (17th ed.) CitationHumphreys, Thomas A. An O-level Additional Mathematics. Oxford, London: Pergamon Press, Ltd, 1967.
ציטוט MLAHumphreys, Thomas A. An O-level Additional Mathematics. Pergamon Press, Ltd, 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.