Schaeffer, F. A. (1968). The God who is there: Speaking historic christianity into the twentieth century. InterVarsity.
Chicago Style (17th ed.) ZitazioaSchaeffer, Francis A. The God Who Is There: Speaking Historic Christianity into the Twentieth Century. Illinois: InterVarsity, 1968.
MLA (9th ed.) ZitazioaSchaeffer, Francis A. The God Who Is There: Speaking Historic Christianity into the Twentieth Century. InterVarsity, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.