Παραπομπή APA

Sardana, J., & Sehgal, R. (1982). Statistical methods for librarians. Ess Ess.

Παραπομπή Chicago Style

Sardana, J.L, και R.L Sehgal. Statistical Methods for Librarians. New Delhi: Ess Ess, 1982.

Παραπομπή MLA

Sardana, J.L, και R.L Sehgal. Statistical Methods for Librarians. Ess Ess, 1982.