Dada, S. (1973). Modern mathematics objective test. Heinmann Educational Books.
Cita Chicago (17th ed.)Dada, S.A. Modern Mathematics Objective Test. London: Heinmann Educational Books, 1973.
Cita MLA (9th ed.)Dada, S.A. Modern Mathematics Objective Test. Heinmann Educational Books, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.