APA (7e ed.) Bronvermelding
Tyler, K. (1994). There's an angel on your shoulder: Angel encounters in everyday life (Berkley trade pbk. ed.). Berkley Books.
Chicago (17e ed.) Bronvermelding
Tyler, Kelsey. There's an Angel on Your Shoulder: Angel Encounters in Everyday Life. Berkley trade pbk. ed. New York: Berkley Books, 1994.
MLA (9e ed.) Bronvermelding
Tyler, Kelsey. There's an Angel on Your Shoulder: Angel Encounters in Everyday Life. Berkley trade pbk. ed. Berkley Books, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.