APA-referens (7:e uppl.)
Simkins, T. (1977). Non-formal education and development: Some critical issues. [University of Manchester, Department of Adult and Higher Education].
Chicago-referens (17:e uppl.)
Simkins, Tim. Non-formal Education and Development: Some Critical Issues. [Manchester]: [University of Manchester, Department of Adult and Higher Education], 1977.
MLA-referens (9:e uppl.)
Simkins, Tim. Non-formal Education and Development: Some Critical Issues. [University of Manchester, Department of Adult and Higher Education], 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.