YOUSE, B. K. (1964). Aritmetic: A modern approach. Prentice-Hall.
Cita Chicago (17th ed.)YOUSE, Bevan K. Aritmetic: A Modern Approach. New Jersey: Prentice-Hall, 1964.
Cita MLA (9th ed.)YOUSE, Bevan K. Aritmetic: A Modern Approach. Prentice-Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.