20. Instruções – citações e referências Exemplo (numerical references): 1. Mejia, C.; Brown, T.; and Flores, P., "Studies of Shear Reinforcement," Principles of Concrete, 2000, pp. 36-43. 2. DiAmato, S., and Jenner, W., "Mechanisms of Shear Resistance," ACI Structural Journal, V. 103, No. 1, Jan.-Feb. 2006, pp. 67-74. Exemplo (alphabetical order): Carr, H. R., 2000, "Evaluation of T-Joints Using CFRP Composites," Advances in Engineering, University of Canterbury, Christchurch, New Zealand, 234 pp.