Ashton, J. (1994). Studying John: Approaches to the fourth gospel. Clarendon.
Lua i Stíl Chicago (17ú heag.)Ashton, John. Studying John: Approaches to the Fourth Gospel. New York: Clarendon, 1994.
Lua MLA (9ú heag.)Ashton, John. Studying John: Approaches to the Fourth Gospel. Clarendon, 1994.
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