Bibliografia
Principal
- C. Bergman (2011) Universal Algebra Fundamentals and Selected Topics, Chapman & Hall
- Burris e Sankappanavar (2012) A Course in Universal Algebra
- B.A. Davey e H.A. Priestley (2002) Introduction to Lattices and Order Cambridge University Press
- G. Gratzer (2011) Lattice Theory: Foundation Birkhauser