Helm, P., & Bray, G. (1993). The Providence of God: Contours of Christian theology. Inter-Varsity.
Lua i Stíl Chicago (17ú heag.)Helm, Paul, agus Gerald Bray. The Providence of God: Contours of Christian Theology. New York: Inter-Varsity, 1993.
Lua MLA (9ú heag.)Helm, Paul, agus Gerald Bray. The Providence of God: Contours of Christian Theology. Inter-Varsity, 1993.
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