Harvey, J. M. (1981). Statistics Europe: Sources for social, economic and market research (Ed. 4, rev. and enl.). CBD Research.
Chicago-Zitierstil (17. Ausg.)Harvey, Joan M. Statistics Europe: Sources for Social, Economic and Market Research. Ed. 4, rev. and enl. Beckenham, Kent: CBD Research, 1981.
MLA-Zitierstil (9. Ausg.)Harvey, Joan M. Statistics Europe: Sources for Social, Economic and Market Research. Ed. 4, rev. and enl. CBD Research, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.