Cita APA (7th ed.)

Johnson, R. A., & Bhattacharyya, G. K. (2001). Statistics: Principles and methods. John Wiley and Sons.

Cita Chicago (17th ed.)

Johnson, Richard Arnold, i Gouri K. Bhattacharyya. Statistics: Principles and Methods. Nueva York: John Wiley and Sons, 2001.

Cita MLA (9th ed.)

Johnson, Richard Arnold, i Gouri K. Bhattacharyya. Statistics: Principles and Methods. John Wiley and Sons, 2001.