Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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