Edwards, C. W. (1963). A test of arithmetic principles, elementary form. University Microfilms.
Chicago Style (17th ed.) CitationEdwards, Charles Walter. A Test of Arithmetic Principles, Elementary Form. [Ann Arbor, Mich: University Microfilms, 1963.
ציטוט MLAEdwards, Charles Walter. A Test of Arithmetic Principles, Elementary Form. University Microfilms, 1963.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.