APA

Cruz Schmidt X., Carreño Campos X., . (2012). Álgebra. Santiago, Chile: McGraw-Hill.

Chicago

Cruz Schmidt Ximena, Carreño Campos Ximena, . 2012. Álgebra. Santiago, Chile: McGraw-Hill.

Harvard

Cruz Schmidt X., Carreño Campos X., . (2012). Álgebra. Santiago, Chile: McGraw-Hill.

MLA

Cruz Schmidt Ximena, Carreño Campos Ximena, . Álgebra. Santiago, Chile: McGraw-Hill. 2012.