Instituto Brasileiro de Informação em Ciência e Tecnologia

Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1922). Journal of the American Statistical Association. American Statistical Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Journal of the American Statistical Association. New York: American Statistical Association, 1922.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Journal of the American Statistical Association. American Statistical Association, 1922.