Dickson, L. E. (1959). Algebraic theories. Dover.
Chicago Style (17th ed.) ZitazioaDickson, Leonard Eugene. Algebraic Theories. Nueva York: Dover, 1959.
MLA (9th ed.) ZitazioaDickson, Leonard Eugene. Algebraic Theories. Dover, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.