APA
Macedo R. B., Coelho-e-Silva M. J., Sousa N. F., Valente-dos-Santos J., Machado-Rodrigues A. M., Cumming S. P., Lima A. V., Gonçalves R. S. & Martins R. A. (20160229). Quality of life, school backpack weight, and nonspecific low back pain in children and adolescents. : Jornal de pediatria.
Chicago
Macedo Rosangela B, Coelho-e-Silva Manuel J, Sousa Nuno F, Valente-dos-Santos João, Machado-Rodrigues Aristides M, Cumming Sean P, Lima Alessandra V, Gonçalves Rui S and Martins Raul A. 20160229. Quality of life, school backpack weight, and nonspecific low back pain in children and adolescents. : Jornal de pediatria.
Harvard
Macedo R. B., Coelho-e-Silva M. J., Sousa N. F., Valente-dos-Santos J., Machado-Rodrigues A. M., Cumming S. P., Lima A. V., Gonçalves R. S. and Martins R. A. (20160229). Quality of life, school backpack weight, and nonspecific low back pain in children and adolescents. : Jornal de pediatria.
MLA
Macedo Rosangela B, Coelho-e-Silva Manuel J, Sousa Nuno F, Valente-dos-Santos João, Machado-Rodrigues Aristides M, Cumming Sean P, Lima Alessandra V, Gonçalves Rui S and Martins Raul A. Quality of life, school backpack weight, and nonspecific low back pain in children and adolescents. : Jornal de pediatria. 20160229.