Não informado. (1983). Journal of Business & Economic Statistics. American Statistical Association.
Chicago-referens (17:e uppl.)Não informado. Journal of Business & Economic Statistics. Washington: American Statistical Association, 1983.
MLA-referens (8:e uppl.)Não informado. Journal of Business & Economic Statistics. American Statistical Association, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.