STATISTICS & TANUR, J. M. (1985). Statistics: A guide to the unknown.-- ed.2. Wadsworth and Brooks/cole.
Cita Chicago (17th ed.)STATISTICS i Judith M. TANUR. Statistics: A Guide to the Unknown.-- Ed.2. California: Wadsworth and Brooks/cole, 1985.
Cita MLA (9th ed.)STATISTICS i Judith M. TANUR. Statistics: A Guide to the Unknown.-- Ed.2. Wadsworth and Brooks/cole, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.