STCW Convention (English Wikipedia)

"Archived copy" (PDF). Archived from the original (PDF) on 2 March 2020. Retrieved 2 March 2020.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy" (PDF). Archived from the original (PDF) on 2 March 2020. Retrieved 2 March 2020.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy" (PDF). Archived from the original (PDF) on 2 March 2020. Retrieved 2 March 2020.{{cite web}}: CS1 maint: archived copy as title (link)
"International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW)". Archived from the original on 7 November 2017. Retrieved 5 August 2019.
STCW-F Convention Archived 11 May 2015 at the Wayback Machine, imo.org.

web.archive.org (Global: 1^st place; English: 1^st place)

"Archived copy" (PDF). Archived from the original (PDF) on 2 March 2020. Retrieved 2 March 2020.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy" (PDF). Archived from the original (PDF) on 2 March 2020. Retrieved 2 March 2020.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy" (PDF). Archived from the original (PDF) on 2 March 2020. Retrieved 2 March 2020.{{cite web}}: CS1 maint: archived copy as title (link)
"International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW)". Archived from the original on 7 November 2017. Retrieved 5 August 2019.
STCW-F Convention Archived 11 May 2015 at the Wayback Machine, imo.org.