Media type: E-Article Title: Sources of referral and employee turnover Contributor: Gannon, Martin J. Published: American Psychological Association (APA), 1971 Published in: Journal of Applied Psychology, 55 (1971) 3, Seite 226-228 Language: English DOI: 10.1037/h0031151 ISSN: 1939-1854; 0021-9010 Origination: Footnote: