1. Acejo Iris HelenSampson NelsonTurgo NeilEllisyLijunTang.2018. «The Causes of Maritime Accidents in the Period 2002–2016». Noviembre de 2018. Cardiff: Seafarers International Research Centre Universidad de Cardiff.
2. Almendral Aurora.2020. «Trapped by Pandemic Ships' Crews Fight Exhaustion and Despair».The New York Times 9 de septiembre de 2020.https://www.nytimes.com/2020/09/09/business/coronavirus-sailors-cargo-ships.html.
3. Bockmann Michelle Wiese.2020. «Crew Change Costs Shipowner $820 000 Says ICS».Lloyd's List 7 de agosto de 2020.https://lloydslist.maritimeintelligence.informa.com/LL1133432/Crew-change-costs-shipowner-820000-says-ICS?fbclid=IwAR1Z2h46xepTYm8tyyX82P_zJmBjE50E-A3ZfMj6aStetP2iFC2T2vSQs1U.
4. CNSS.2020.[Ministerio de Transportes: Los tripulantes extranjeros no pueden cambiar de turno en China]. 31 de marzo de 2020.https://www.cnss.com.cn/html/currentevents/20200331/335136.html.
5. Damian April Joy TichianaaArmah DanielBryantyAngelaLee‐Winn.2020. «Mental Health Challenges Faced by Essential Workers During COVID‐19».BMC Blog Network On Health(blog) 14 de julio de 2020.https://blogs.biomedcentral.com/on-health/2020/07/14/mental-health-challenges-faced-by-essential-workers-during-covid-19/.