JONES, E. (1992). Paradox 4 made easy. Osborne McGraw-Hill.
Chicago-čujuhus (17. p.)JONES, Edward. Paradox 4 Made Easy. Berkeley: Osborne McGraw-Hill, 1992.
MLA-čujuhus (9. p.)JONES, Edward. Paradox 4 Made Easy. Osborne McGraw-Hill, 1992.
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