National Society for the Study of Education. Committee on Vocational Education & Barlow, M. L. (1965). Vocational education. NSEE.
Chicago-referens (17:e uppl.)National Society for the Study of Education. Committee on Vocational Education och Melvin L. Barlow. Vocational Education. Chicago: NSEE, 1965.
MLA-referens (9:e uppl.)National Society for the Study of Education. Committee on Vocational Education och Melvin L. Barlow. Vocational Education. NSEE, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.