Colgan, H. V. (1941). Devotions under the flag: A prayer book for Catholic men in every branch of the service. Catholic Publications Press.
Lua i Stíl Chicago (17ú heag.)Colgan, H. V. Devotions Under the Flag: A Prayer Book for Catholic Men in Every Branch of the Service. New York: Catholic Publications Press, 1941.
Lua MLA (8ú heag.)Colgan, H. V. Devotions Under the Flag: A Prayer Book for Catholic Men in Every Branch of the Service. Catholic Publications Press, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.