APA (7e ed.) Bronvermelding

Healey Joseph F. (2012). Statistics a tool for Social Research (9th.). Cengage Learning.

Chicago (17e ed.) Bronvermelding

Healey Joseph F. Statistics a Tool for Social Research. 9th. UK: Cengage Learning, 2012.

MLA (9e ed.) Bronvermelding

Healey Joseph F. Statistics a Tool for Social Research. 9th. Cengage Learning, 2012.

Let op: Deze citaties zijn niet altijd 100% accuraat.