Wheeler, R. E. Modern mathematics: An elementary approach. Brooks/Cole Publishing Company.
Cita Chicago (17th ed.)Wheeler, Ruric E. Modern Mathematics: An Elementary Approach. Belmont: Brooks/Cole Publishing Company.
Cita MLA (9th ed.)Wheeler, Ruric E. Modern Mathematics: An Elementary Approach. Brooks/Cole Publishing Company.
Atenció: Aquestes cites poden no estar 100% correctes.