EDWARD, J. (1992). Paradox 4 Made Easy. McGraw-Hill.
Chicago Style (17th ed.) CitationEDWARD, JONES. Paradox 4 Made Easy. McGraw-Hill, 1992.
Cita MLAEDWARD, JONES. Paradox 4 Made Easy. McGraw-Hill, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.