Lord, D. A. (1934). 'Tis Christmas in your heart. Queen's Work.
Lua i Stíl Chicago (17ú heag.)Lord, Daniel A. 'Tis Christmas in Your Heart. St. Louis, Mo.: Queen's Work, 1934.
Lua MLA (8ú heag.)Lord, Daniel A. 'Tis Christmas in Your Heart. Queen's Work, 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.