Labina, C. S. Numbers whose sum equals their product.
Chicago Style (17th ed.) CitationLabina, Charlie S. Numbers Whose Sum Equals Their Product. 1986.
ציטוט MLALabina, Charlie S. Numbers Whose Sum Equals Their Product.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.