Macdonald, C. (1984). Student attrition in TAFE certificate courses. TAFE National Centre for Research and Development.
Lua i Stíl Chicago (17ú heag.)Macdonald, Christine. Student Attrition in TAFE Certificate Courses. Adelaide: TAFE National Centre for Research and Development, 1984.
Lua MLA (8ú heag.)Macdonald, Christine. Student Attrition in TAFE Certificate Courses. TAFE National Centre for Research and Development, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.