International Labor Office. (1974). Human resources development: Vocational guidance and vocational training. International Labor Office.
Chicago-referens (17:e uppl.)International Labor Office. Human Resources Development: Vocational Guidance and Vocational Training. Geneva: International Labor Office, 1974.
MLA-referens (9:e uppl.)International Labor Office. Human Resources Development: Vocational Guidance and Vocational Training. International Labor Office, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.