Não informado. (1938). New Zealand Journal of Science and Technology. Department of Scientific and Industrial Research.
Chicago-referens (17:e uppl.)Não informado. New Zealand Journal of Science and Technology. Wellington: Department of Scientific and Industrial Research, 1938.
MLA-referens (8:e uppl.)Não informado. New Zealand Journal of Science and Technology. Department of Scientific and Industrial Research, 1938.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.