Ryan, L., & Norris, R. (2020). Chemistry For Cambridge International AS & A Level Coursebook (3rd.). Cambridge University Press.
芝加哥风格引文Ryan, Lawrie, 与 Roger Norris. Chemistry For Cambridge International AS & A Level Coursebook. 3rd. London: Cambridge University Press, 2020.
MLA引文Ryan, Lawrie, 与 Roger Norris. Chemistry For Cambridge International AS & A Level Coursebook. 3rd. Cambridge University Press, 2020.
警告：这些引文格式不一定是100％准确.