Cita APA (7a ed.)
Freund, J. E., & Williams, F. J. (1977). Elementary business statistics the modern approach (3. ed.). Prentice Hall International, Inc.
Cita Chicago Style (17a ed.)
Freund, John E., y Frank J. Williams. Elementary Business Statistics the Modern Approach. 3. ed. London: Prentice Hall International, Inc, 1977.
Cita MLA (9a ed.)
Freund, John E., y Frank J. Williams. Elementary Business Statistics the Modern Approach. 3. ed. Prentice Hall International, Inc, 1977.
Precaución: Estas citas no son 100% exactas.