Collins, G. R. (1975). Coping with Christmas. Bethany Fellowship.
Lua i Stíl Chicago (17ú heag.)Collins, Gary R. Coping with Christmas. Minneapolis: Bethany Fellowship, 1975.
Lua MLA (8ú heag.)Collins, Gary R. Coping with Christmas. Bethany Fellowship, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.