McCall, S., Nair, M., & Knight, M. (2016). Factors associated with maternal mortality at advanced maternal age: A UK population-based case–control study. Wiley.
芝加哥风格引文McCall, S., M. Nair, 与 M. Knight. Factors Associated with Maternal Mortality at Advanced Maternal Age: A UK Population-based Case–control Study. Wiley, 2016.
MLA引文McCall, S., et al. Factors Associated with Maternal Mortality at Advanced Maternal Age: A UK Population-based Case–control Study. Wiley, 2016.
警告：这些引文格式不一定是100％准确.