ERDŐSI, S. Pontatlan adatok - Joseph W. Duncan & A. C. Gross: Statistics for the 21st Century, Irwin, 1995. Marketing & Menedzsment, [S. l.], v. 30, n. 3, p. 59–60, 2019. Disponível em: https://journals.lib.pte.hu/index.php/mm/article/view/2394. Acesso em: 4 máj. 2024.