Gaya APA

Brase, C, H., Brase, C, P. (1987). Understandable Statistics (Ed.3). Lexington: D.C Heath and Company.

Gaya MLA

Brase, Charles, Henry., Brase, Corrine, Pellillo. "Understandable Statistics". Ed.3 Lexington: D.C Heath and Company, 1987. Text.