Bardell, R. H. (1969). Essentials of algebra. Addison-Wesley Publishing Co.
芝加哥风格引文Bardell, Ross H. Essentials of Algebra. Reading, Massachusetts: Addison-Wesley Publishing Co, 1969.
MLA引文Bardell, Ross H. Essentials of Algebra. Addison-Wesley Publishing Co, 1969.
警告：这些引文格式不一定是100％准确.