Cita APA

Freund, J. E., & Williams, F. J. (1977). Elementary business statistics: The modern approach (3rd ed.). Prentice-Hall.

Citación estilo Chicago

Freund, John E., and Frank Jefferson Williams. Elementary Business Statistics: The Modern Approach. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1977.

Cita MLA

Freund, John E., and Frank Jefferson Williams. Elementary Business Statistics: The Modern Approach. 3rd ed. Prentice-Hall, 1977.