Jensen, C., & Anderson, L. (1992). Pal for paradox 4 made easy. Osborne McGraw Hill.
Chicago Style aipamenaJensen, Cary, and Loy Anderson. Pal for Paradox 4 Made Easy. California: Osborne McGraw Hill, 1992.
MLA aipamenaJensen, Cary, and Loy Anderson. Pal for Paradox 4 Made Easy. Osborne McGraw Hill, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.