Gaya APA
Gelpi, D, L, S. (1977).
Charism and sacrament, a theology of Christian conversien. Cet.pertama Paulist Press 1976. .
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SPCP.
Gaya MLA
Gelpi, Donald, L.,, S.J..
"Charism and sacrament, a theology of Christian conversien. Cet.pertama Paulist Press 1976. ".
London:
SPCP,
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Buku.