Howard, D. M., Nix, J., & Welch, G. (2020). The Oxford handbook of singing. Oxford University Press.
芝加哥风格引文Howard, David M., John Nix, 与 Graham Welch. The Oxford Handbook of Singing. Oxford, England: Oxford University Press, 2020.
MLA引文Howard, David M., et al. The Oxford Handbook of Singing. Oxford University Press, 2020.
警告：这些引文格式不一定是100％准确.