Alsina, C., Sikorska, J., & Tomás, M. S. (2010). Norm derivatives and characterizations of inner product spaces. World Scientific.
芝加哥风格引文Alsina, Claudi, Justyna Sikorska, 与 M. Santos Tomás. Norm Derivatives and Characterizations of Inner Product Spaces. Singapore: World Scientific, 2010.
MLA引文Alsina, Claudi, et al. Norm Derivatives and Characterizations of Inner Product Spaces. World Scientific, 2010.
警告：这些引文格式不一定是100％准确.