A.Mercer, J., W., B.(2008).BEGINNING AND INTERMEDIATE ALGEBRA THE LANGUAGE AND SYMBOLISM OF MATHEMATICS (Second Edition).New York:Mc-Graw Hill.
Gaya MLA
A.Mercer, James, W.Hall,, Brianna."BEGINNING AND INTERMEDIATE ALGEBRA THE LANGUAGE AND SYMBOLISM OF MATHEMATICS".Second EditionNew York:Mc-Graw Hill,2008.Buku Inti.