Broster, E. J. (1972). Management statistics. Longman.
Cita Chicago (17th ed.)Broster, E. J. Management Statistics. London: Longman, 1972.
Cita MLA (9th ed.)Broster, E. J. Management Statistics. Longman, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.