Hu, L., Liu, Y., Ma, J., & Guo, D. (2009). 5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetrakis[2-(2-chloroethoxy)ethoxy]-2,8,14,20-tetrasulfonylcalix[4]arene. International Union of Crystallography.
Citação norma ChicagoHu, Ling, Yang Liu, Jiang-Ping Ma, and Dian-Shun Guo. 5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetrakis[2-(2-chloroethoxy)ethoxy]-2,8,14,20-tetrasulfonylcalix[4]arene. International Union of Crystallography, 2009.
Citação norma MLAHu, Ling, Yang Liu, Jiang-Ping Ma, and Dian-Shun Guo. 5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetrakis[2-(2-chloroethoxy)ethoxy]-2,8,14,20-tetrasulfonylcalix[4]arene. International Union of Crystallography, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.