Freitas, Maria Agueda de Oliveira; Paim, Zila Maria Guedes.
([19--])
Tombo 1191. Tradução de Brumfiel, Eicholz, Shanks "Fundamental Concepts of Elementary Matlematics"- Addison Weslei Publishing Company, Inc, Reading, Massachussete, London - 1962 - 340 pág.