Cita APA (7th ed.)

Brase, C. H., & Brase, C. P. (1991). Understandable statistics: Concepts and methods (4th.ed.). D.C.Heath and Co..

Cita Chicago (17th ed.)

Brase, Charles Henry, i Corrinne Pellillo Brase. Understandable Statistics: Concepts and Methods. 4th.ed. Lexington: D.C.Heath and Co., 1991.

Cita MLA (9th ed.)

Brase, Charles Henry, i Corrinne Pellillo Brase. Understandable Statistics: Concepts and Methods. 4th.ed. D.C.Heath and Co., 1991.