Lewis, G. R. (1966). Confronting the cults. Baker Book House Publishers.
Chicago Style (17th ed.) ZitazioaLewis, Gordon R. Confronting the Cults. Michigan: Baker Book House Publishers, 1966.
MLA (9th ed.) ZitazioaLewis, Gordon R. Confronting the Cults. Baker Book House Publishers, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.