Παραπομπή APA

Sehgal, R. (1998). Statistical techniques for librarians (1st.). Ess Ess.

Παραπομπή Chicago Style

Sehgal, R.L. Statistical Techniques for Librarians. 1st. New Delhi: Ess Ess, 1998.

Παραπομπή MLA

Sehgal, R.L. Statistical Techniques for Librarians. 1st. Ess Ess, 1998.