Sehgal, R. L. (1998). Statistical techniques for librarians. Ess Ess Publications.
Chicago Edition CitationSehgal, R. L. Statistical Techniques for Librarians. New Delhi: Ess Ess Publications, 1998.
Cita MLASehgal, R. L. Statistical Techniques for Librarians. Ess Ess Publications, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.