Não informado. (2019). Newsletter of the International Test Commission. International Test Commission.
Chicago-referens (17:e uppl.)Não informado. Newsletter of the International Test Commission. [s.l.]: International Test Commission, 2019.
MLA-referens (8:e uppl.)Não informado. Newsletter of the International Test Commission. International Test Commission, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.