Angel, A. R. (2007). Elementary algebra for college students. Custom Publishing.
Chicagoスタイル(17版)引用形式Angel, Allen R. Elementary Algebra for College Students. New York: Custom Publishing, 2007.
MLA(9版)引用形式Angel, Allen R. Elementary Algebra for College Students. Custom Publishing, 2007.
警告: この引用は必ずしも正確ではありません.