Caney, Mark; Harrison, Sean; Toomer, Paul (20–22 April 2023). "CCR Training". Rebreather Forum 4. Valetta, Malta. Archived from the original on 1 May 2024. Retrieved 1 May 2024.
"Instructor Development Course - IDC". www.padi.com. Professional Association of Diving Instructors. Archived from the original on 11 December 2016. Retrieved 11 December 2016.(see archived version: original url no longer valid)
"C.M.A.S. Diver Training Program"(PDF). Confédération Mondiale des Activités Subaquatiques. 18 January 2005. pp. 4, 6. Archived from the original(PDF) on 2011-07-19. Retrieved 23 September 2009. 1 T 10 and 1 P 6 cover rescue.
Manual for Diving Safety(PDF) (11th ed.). San Diego: Scripps Institution of Oceanography, University of California. 2005. p. 2. Archived from the original(PDF) on 26 April 2012.
"C.M.A.S. Diver Training Program"(PDF). Confédération Mondiale des Activités Subaquatiques. 18 January 2005. pp. 4, 6. Archived from the original(PDF) on 2011-07-19. Retrieved 23 September 2009. 1 T 10 and 1 P 6 cover rescue.
Manual for Diving Safety(PDF) (11th ed.). San Diego: Scripps Institution of Oceanography, University of California. 2005. p. 2. Archived from the original(PDF) on 26 April 2012.
"Instructor Development Course - IDC". www.padi.com. Professional Association of Diving Instructors. Archived from the original on 11 December 2016. Retrieved 11 December 2016.(see archived version: original url no longer valid)
Caney, Mark; Harrison, Sean; Toomer, Paul (20–22 April 2023). "CCR Training". Rebreather Forum 4. Valetta, Malta. Archived from the original on 1 May 2024. Retrieved 1 May 2024.