APA-referens (7:e uppl.)
Ireland, T. D. (1978). Gelpi's view of life lifelong education. Department of Adult and higher education.
Chicago-referens (17:e uppl.)
Ireland, Timothy D. Gelpi's View of Life Lifelong Education. Manchester, MI.: Department of Adult and higher education, 1978.
MLA-referens (9:e uppl.)
Ireland, Timothy D. Gelpi's View of Life Lifelong Education. Department of Adult and higher education, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.