Collins, G., & Altman, D. (2009). QRISK validation and evaluation Authors' reply.
芝加哥风格引文Collins, G., 与 D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.
MLA引文Collins, G., 与 D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.
警告：这些引文格式不一定是100％准确.