APA ציטוט

Collins, G., & Altman, D. (2009). QRISK validation and evaluation Authors' reply.

Chicago Style (17th ed.) Citation

Collins, G., and D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.

ציטוט MLA

Collins, G., and D. Altman. QRISK Validation and Evaluation Authors' Reply. 2009.