Reginaldo de Jesus Santos

http://www.mat.ufmg.br/~regi/livros.html

Jim Hefferon

http://joshua.smcvt.edu/linearalgebra/

 

ou

 

ftp://joshua.smcvt.edu/pub/hefferon/book/book.pdf

Nuno Martins

http://www.math.ist.utl.pt/~nmartins/ALT0910.pdf