Johnston, C. L., Willis, A. T., Lazaris, J., & Hughes, G. M. (1995). Test bank with answers to set II exercises Essential algebra, C.L. Johnston, Alden T. Willis, Jeanne Lazaris (7th ed.). PWS.
芝加哥风格引文Johnston, C. L., Alden T. Willis, Jeanne Lazaris, 与 Gale M. Hughes. Test Bank with Answers to Set II Exercises Essential Algebra, C.L. Johnston, Alden T. Willis, Jeanne Lazaris. 7th ed. Boston: PWS, 1995.
MLA引文Johnston, C. L., et al. Test Bank with Answers to Set II Exercises Essential Algebra, C.L. Johnston, Alden T. Willis, Jeanne Lazaris. 7th ed. PWS, 1995.
警告：这些引文格式不一定是100％准确.