Freeman, H. (1963). Introduction to statistical inference. Addision-Wesley.
Cita Chicago (17th ed.)Freeman, Harold. Introduction to Statistical Inference. Reading, Mass: Addision-Wesley, 1963.
Cita MLA (9th ed.)Freeman, Harold. Introduction to Statistical Inference. Addision-Wesley, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.