Uniform regulations, Comdtinst m1020.6k(PDF). U.S. Department of Homeland Security (Manual). Washington DC: United States Coast Guard. July 7, 2020. pp. 1–5.
"Uniform Regulations"(PDF). Coast Guard Historian's Office. 18 February 2009. COMDTINST M1020.6F. Archived(PDF) from the original on 16 June 2013. Retrieved 8 August 2013.
"Uniform Regulations"(PDF). Coast Guard Historian's Office. 18 February 2009. COMDTINST M1020.6F. Archived(PDF) from the original on 16 June 2013. Retrieved 8 August 2013.