Cita APA (7th ed.)

(1985). Statistics: A guide to the unknown. Wadsworth.

Cita Chicago (17th ed.)

Statistics: A Guide to the Unknown. Pacific Grove, Calif.: Wadsworth, 1985.

Cita MLA (9th ed.)

Statistics: A Guide to the Unknown. Wadsworth, 1985.

Atenció: Aquestes cites poden no estar 100% correctes.