(1994). The vocational aspect of education. Triangle Journals.
Lua i Stíl Chicago (17ú heag.)The Vocational Aspect of Education. Wallingford [Eng., etc.]: Triangle Journals, 1994.
Lua MLA (9ú heag.)The Vocational Aspect of Education. Triangle Journals, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.