Clayton, G. E., & Giesbrecht, M. G. (1997). A guide to everyday economic statistics (4th ed.). Boston: McGraw-Hill Irwin.
Chicago Style CitationClayton, Gary E., i Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. Boston: McGraw-Hill Irwin, 1997.
Cita MLAClayton, Gary E., i Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. Boston: McGraw-Hill Irwin, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.