APA-viite (7. p.)
Alsina, C., Sikorska, J., & Tomás, M. S. (2010). Norm derivatives and characterizations of inner product spaces. World Scientific.
Chicago-viite (17. p.)
Alsina, Claudi, Justyna Sikorska, ja M. Santos Tomás. Norm Derivatives and Characterizations of Inner Product Spaces. Singapore: World Scientific, 2010.
MLA-viite (9. p.)
Alsina, Claudi, et al. Norm Derivatives and Characterizations of Inner Product Spaces. World Scientific, 2010.
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