Gaya APA
Hick, J.
(-1969).
Christianity at the centre, (2nd impr.). Tjet.pertama 1968.
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(London):
SCM Press.
Gaya MLA
Hick, John..
"Christianity at the centre, (2nd impr.). Tjet.pertama 1968. ".
(London):
SCM Press,
-1969.
Buku.