Simpson, G. (1965). Basic statistics: A textbook for the first course. Oxford & IBH.
Cita Chicago (17th ed.)Simpson, George. Basic Statistics: A Textbook for the First Course. New Delhi: Oxford & IBH, 1965.
Cita MLA (9th ed.)Simpson, George. Basic Statistics: A Textbook for the First Course. Oxford & IBH, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.