Harvey, J. M. (1980). Statistics America: Sources for social, economic and market research ; (North, Central & South America) (Ed.2, rev. and enl.). CBD Research.
Chicago-Zitierstil (17. Ausg.)Harvey, Joan M. Statistics America: Sources for Social, Economic and Market Research ; (North, Central & South America). Ed.2, rev. and enl. Beckenham, Kent: CBD Research, 1980.
MLA-Zitierstil (9. Ausg.)Harvey, Joan M. Statistics America: Sources for Social, Economic and Market Research ; (North, Central & South America). Ed.2, rev. and enl. CBD Research, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.