APA (7th ed.) Zitazioa
Trueblood, D. E. (1957). Philosophy of religion. Baker Book House.
Chicago Style (17th ed.) Zitazioa
Trueblood, David Elton. Philosophy of Religion. Michigan: Baker Book House, 1957.
MLA (9th ed.) Zitazioa
Trueblood, David Elton. Philosophy of Religion. Baker Book House, 1957.
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