"Commissioning Pennant". Naval History and Heritage Command. Department of the Navy. 10 April 2001. Archived from the original on February 17, 2001. Retrieved 11 March 2011.
"Commissioning Pennant". Naval History and Heritage Command. Department of the Navy. 10 April 2001. Archived from the original on February 17, 2001. Retrieved 11 March 2011.
One or more of the preceding sentences incorporates text from a publication now in the public domain: Swinburne, H. Lawrence (1911). "Flag". In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 10 (11th ed.). Cambridge University Press. p. 459.