APA-referens (7:e uppl.)

Não informado. Technical Note. U.S. National Advisory Committee for Aeronautics.

Chicago-referens (17:e uppl.)

Não informado. Technical Note. Washington: U.S. National Advisory Committee for Aeronautics.

MLA-referens (8:e uppl.)

Não informado. Technical Note. U.S. National Advisory Committee for Aeronautics.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.