Stetkær, H. (2013). Functional equations on groups. World Scientific.
芝加哥风格引文Stetkær, Henrik. Functional Equations on Groups. Singapore ; Hackensack, N.J.: World Scientific, 2013.
MLA引文Stetkær, Henrik. Functional Equations on Groups. World Scientific, 2013.
警告：这些引文格式不一定是100％准确.