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