APA (7e ed.) Bronvermelding
Burnham, S. (1990). A book of angels: Reflections on angels past and present and true stories of how they touch our lives. Ballantine Books.
Chicago (17e ed.) Bronvermelding
Burnham, Sophy. A Book of Angels: Reflections on Angels Past and Present and True Stories of How They Touch Our Lives. New York: Ballantine Books, 1990.
MLA (9e ed.) Bronvermelding
Burnham, Sophy. A Book of Angels: Reflections on Angels Past and Present and True Stories of How They Touch Our Lives. Ballantine Books, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.