HAYS, W. L. (1994). Statistics.-- ed.5. Harcourt College.
芝加哥风格引文HAYS, William L. Statistics.-- Ed.5. Fort Worth: Harcourt College, 1994.
MLA引文HAYS, William L. Statistics.-- Ed.5. Harcourt College, 1994.
警告：这些引文格式不一定是100％准确.
APA引文