Kannik, P. (1959). The flag book ([3rd ed.].). Barrows.
Lua i Stíl Chicago (17ú heag.)Kannik, Preben. The Flag Book. [3rd ed.]. New York: Barrows, 1959.
Lua MLA (9ú heag.)Kannik, Preben. The Flag Book. [3rd ed.]. Barrows, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.