1. ANAC—Agencia Nacional de Aviação Civil (2013). Anuário do transporte aéreo. Dados estatísticos e econômicos de 2013 [Air transport yearbook. Statistical and economic data for 2013]. http://www.anac.gov.br . Accessed Feb 27 2015.
2. Ballard, T. J., Romito, P., Lauria, L., Vigiliano, V., Caldora, M., Mazzanti, C., & Verdecchia, A. (2006). Self perceived health and mental health among women flight attendants. Occupational and Environmental Medicine, 63(1), 33–38.
3. Ballard, T. J., Corradi, L., Lauria, L., Mazzanti, C., Scaravelli, G., Sgorbissa, F., et al. (2004). Integrating qualitative methods into occupational health research: a study of women flight attendants. Occupational and Environmental Medicine, 61(2), 163–166.
4. Barnett, R. C., & Gareis, K. C. (2007). Shift work, parenting behaviors, and children’s socioemotional well-being a within-family study. Journal of Family Issues, 28(6), 727–748.
5. Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook (2014). 15 Edition, Flight Attendants. http://www.bls.gov/ooh/transportation-and-material-moving/flight-attendants.htm . Accessed 27 Feb 2015.