Hiebert, P. G. (1987). Case studies in missions. Baker Book House.
Chicago Style (17th ed.) ZitazioaHiebert, Paul G. Case Studies in Missions. Michigan: Baker Book House, 1987.
MLA (9th ed.) ZitazioaHiebert, Paul G. Case Studies in Missions. Baker Book House, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.