Childs, L. (2009). Concrete introduction to higher algebra .-3rd ed (3rd ed.). Springer.
Chicago-stil citatChilds, Lindsay. Concrete Introduction to Higher Algebra .-3rd Ed. 3rd ed. New York: Springer, 2009.
MLA-referensChilds, Lindsay. Concrete Introduction to Higher Algebra .-3rd Ed. 3rd ed. Springer, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.