Não informado. (1966). Training and development journal. American Society for Training and Development.
Chicago-referens (17:e uppl.)Não informado. Training and Development Journal. Alexandria, Va: American Society for Training and Development, 1966.
MLA-referens (8:e uppl.)Não informado. Training and Development Journal. American Society for Training and Development, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.