(2003). IRT from SSI: BILOG-MG, MULTILOG, PARSCALE, TESTFACT. Scientific Software International.
Chicago Style (17th ed.) CitationIRT from SSI: BILOG-MG, MULTILOG, PARSCALE, TESTFACT. Lincolnwood, Ill.: Scientific Software International, 2003.
MLA (9th ed.) CitationIRT from SSI: BILOG-MG, MULTILOG, PARSCALE, TESTFACT. Scientific Software International, 2003.
Warning: These citations may not always be 100% accurate.