Cita APA (7th ed.)

Freund, J. E., & Williams, F. J. (1969). Modern business statics. Prentice-Hall.

Cita Chicago (17th ed.)

Freund, John E., i Frank Jefferson Williams. Modern Business Statics. Englewood Cliffs: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Freund, John E., i Frank Jefferson Williams. Modern Business Statics. Prentice-Hall, 1969.