Swart, M. F. (1998). The call of Africa: The reformed church in America mission in the Sub-Sahara, 1948-1998. Wm. B.Eerdmans.
Chicago-čujuhus (17. p.)Swart, Morrell F. The Call of Africa: The Reformed Church in America Mission in the Sub-Sahara, 1948-1998. Grand Rapids: Wm. B.Eerdmans, 1998.
MLA-čujuhus (9. p.)Swart, Morrell F. The Call of Africa: The Reformed Church in America Mission in the Sub-Sahara, 1948-1998. Wm. B.Eerdmans, 1998.
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