Ensley, R. (1986). A taxonomy of measures of absenteeism. School of Management, Deakin University.
Lua i Stíl Chicago (17ú heag.)Ensley, Raymond. A Taxonomy of Measures of Absenteeism. [Waurn Ponds, Vic.]: School of Management, Deakin University, 1986.
Lua MLA (8ú heag.)Ensley, Raymond. A Taxonomy of Measures of Absenteeism. School of Management, Deakin University, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.