Marvasti, F. (1991). PC-statistics version 2.5: A statistical software package for the IBM PC, XT, AT or compatible systems. Franklin, Beedle and Associates.
Chicago-referens (17:e uppl.)Marvasti, F. PC-statistics Version 2.5: A Statistical Software Package for the IBM PC, XT, AT or Compatible Systems. Wilsonville, OR: Franklin, Beedle and Associates, 1991.
MLA-referens (9:e uppl.)Marvasti, F. PC-statistics Version 2.5: A Statistical Software Package for the IBM PC, XT, AT or Compatible Systems. Franklin, Beedle and Associates, 1991.
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