Wilson, H. J., & Clack, J. (1997). Economics. [Ohio]: Wilson; Clark.
Chicago Style CitationWilson, Holton J., i J.R Clack. Economics. [Ohio]: Wilson; Clark, 1997.
Cita MLAWilson, Holton J., i J.R Clack. Economics. [Ohio]: Wilson; Clark, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.