Brumfiel, C. F. (1962). Fundamental concept of elementary mathematics. Addison-Wesley Publishing Company, Inc.
Citazione stile Chigago Style (17a edizione)Brumfiel, Charles F. Fundamental Concept of Elementary Mathematics. Reading, Massachusetts: Addison-Wesley Publishing Company, Inc, 1962.
Citatione MLA (9a ed.)Brumfiel, Charles F. Fundamental Concept of Elementary Mathematics. Addison-Wesley Publishing Company, Inc, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.