Collins, G. R. (1975). Coping with Christmas. Bethany Fellowship.
Chicago Style aipamenaCollins, Gary R. Coping with Christmas. Minneapolis: Bethany Fellowship, 1975.
MLA aipamenaCollins, Gary R. Coping with Christmas. Bethany Fellowship, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.