Bounds, E. (1924). Purpose in prayer. Baker Book House.
Chicago Style (17th ed.) ZitazioaBounds, E.M. Purpose in Prayer. Michigan: Baker Book House, 1924.
MLA (9th ed.) ZitazioaBounds, E.M. Purpose in Prayer. Baker Book House, 1924.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.