Não informado. (1983). Journal of Business & Economic Statistics. American Statistical Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Business & Economic Statistics. Washington: American Statistical Association, 1983.
Lua MLA (8ú heag.)Não informado. Journal of Business & Economic Statistics. American Statistical Association, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.