Crebbin, J., & Hellard, S. (2004). Please sit still. Cambridge University Press.
芝加哥风格引文Crebbin, June, 与 Susan Hellard. Please Sit Still. Cambridge: Cambridge University Press, 2004.
MLA引文Crebbin, June, 与 Susan Hellard. Please Sit Still. Cambridge University Press, 2004.
警告：这些引文格式不一定是100％准确.