Rao, I. R. (1983). Quantitative methods for library and information science. Wiley Eastern.
Cita Chicago (17th ed.)Rao, I.K. Ravichandra. Quantitative Methods for Library and Information Science. New Delhi: Wiley Eastern, 1983.
Cita MLA (9th ed.)Rao, I.K. Ravichandra. Quantitative Methods for Library and Information Science. Wiley Eastern, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.