Healey, J. F. (2013). The essentials of statistics: A tool for social research (Third edition.). Wadsworth Cengage Learning.
Chicago-Zitierstil (17. Ausg.)Healey, Joseph F. The Essentials of Statistics: A Tool for Social Research. Third edition. Australia: Wadsworth Cengage Learning, 2013.
MLA-Zitierstil (9. Ausg.)Healey, Joseph F. The Essentials of Statistics: A Tool for Social Research. Third edition. Wadsworth Cengage Learning, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.