Betz, W., & Windt, A. P. (1951). Everyday algebra, intermediate couse. Ginn.
芝加哥风格引文Betz, William, 与 Alfred P. Windt. Everyday Algebra, Intermediate Couse. Boston: Ginn, 1951.
MLA引文Betz, William, 与 Alfred P. Windt. Everyday Algebra, Intermediate Couse. Ginn, 1951.
警告：这些引文格式不一定是100％准确.