APA

Schmidt P. A., . (2004). Álgebra. Santiago, Chile: McGraw-Hill.

Chicago

Schmidt Philip A, . 2004. Álgebra. Santiago, Chile: McGraw-Hill.

Harvard

Schmidt P. A., . (2004). Álgebra. Santiago, Chile: McGraw-Hill.

MLA

Schmidt Philip A, . Álgebra. Santiago, Chile: McGraw-Hill. 2004.