APA-referens (7:e uppl.)

Berndt, B. C., Hecke, E., & Knopp, M. I. (2008). Hecke's theory of modular forms and Dirichlet series. World Scientific.

Chicago-referens (17:e uppl.)

Berndt, Bruce C., Erich Hecke, och Marvin Isadore Knopp. Hecke's Theory of Modular Forms and Dirichlet Series. Hacensack, NJ: World Scientific, 2008.

MLA-referens (9:e uppl.)

Berndt, Bruce C., et al. Hecke's Theory of Modular Forms and Dirichlet Series. World Scientific, 2008.