Altman, D., & Bland, J. (2011). Statistics notes: Brackets (parentheses) in formulas.
芝加哥风格引文Altman, D., 与 J. Bland. Statistics Notes: Brackets (parentheses) in Formulas. 2011.
MLA引文Altman, D., 与 J. Bland. Statistics Notes: Brackets (parentheses) in Formulas. 2011.
警告：这些引文格式不一定是100％准确.