Style de citation APA (7e éd.)

Freund, J. E., & Williams, F. J. a. (1964). Elementary business statistics: The modern approach. Prentice - hall.

Style de citation Chicago (17e éd.)

Freund, John E., et Frank J.[et al] Williams. Elementary Business Statistics: The Modern Approach. New Jersey: Prentice - hall, 1964.

Style de citation MLA (9e éd.)

Freund, John E., et Frank J.[et al] Williams. Elementary Business Statistics: The Modern Approach. Prentice - hall, 1964.