Freund, J. E., & Williams, J. F. P. (1970). Modern Business Statistics (2nd ed.). Pitman.
Citación estilo ChicagoFreund, John E., and J. Frank Perles Williams. Modern Business Statistics. 2nd ed. London: Pitman, 1970.
Cita MLAFreund, John E., and J. Frank Perles Williams. Modern Business Statistics. 2nd ed. Pitman, 1970.
Warning: These citations may not always be 100% accurate.