APA (7th ed.) Zitazioa
Ferm, D. W. (1981). Contemporary American theologies: A critical survey. Seabury Press.
Chicago Style (17th ed.) Zitazioa
Ferm, Deane William. Contemporary American Theologies: A Critical Survey. New York: Seabury Press, 1981.
MLA (9th ed.) Zitazioa
Ferm, Deane William. Contemporary American Theologies: A Critical Survey. Seabury Press, 1981.
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