Kawatra, P. S. (1992). Library user studies: A manual for librarians and information scientists. Jaico Publishing House.
Chicago Style aipamenaKawatra, P. S. Library User Studies: A Manual for Librarians and Information Scientists. Bombay: Jaico Publishing House, 1992.
MLA aipamenaKawatra, P. S. Library User Studies: A Manual for Librarians and Information Scientists. Jaico Publishing House, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.