Bottazzini, U., & Gray, J. (2013). Hidden harmony- geometric fantasies: The rise of complex function theory. Springer New York.
Lua i Stíl Chicago (17ú heag.)Bottazzini, Umberto, agus Jeremy Gray. Hidden Harmony- Geometric Fantasies: The Rise of Complex Function Theory. New York, NY: Springer New York, 2013.
Lua MLA (8ú heag.)Bottazzini, Umberto, agus Jeremy Gray. Hidden Harmony- Geometric Fantasies: The Rise of Complex Function Theory. Springer New York, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.