APA (7e ed.) Bronvermelding
Drakeford, J. W. (1986). Humor in preaching. Ministry Resources Library.
Chicago (17e ed.) Bronvermelding
Drakeford, John W. Humor in Preaching. Grand Rapids, MI: Ministry Resources Library, 1986.
MLA (9e ed.) Bronvermelding
Drakeford, John W. Humor in Preaching. Ministry Resources Library, 1986.
Let op: Deze citaties zijn niet altijd 100% accuraat.