Willoughby, S. S., Bereiter, C., Hilton, P., & Rubinstein, J. H. (1998). SRA math: Explorations and applications. SRA/McGraw-Hill.
芝加哥风格引文Willoughby, Stephen S., Carl Bereiter, Peter Hilton, 与 Joseph H. Rubinstein. SRA Math: Explorations and Applications. Ohio: SRA/McGraw-Hill, 1998.
MLA引文Willoughby, Stephen S., et al. SRA Math: Explorations and Applications. SRA/McGraw-Hill, 1998.
警告：这些引文格式不一定是100％准确.