Cionca, J. R. (1994). Red light, green light: Discerning the time for a change in ministry. Baker Books.
Chicago-viite (17. p.)Cionca, John R. Red Light, Green Light: Discerning the Time for a Change in Ministry. Michigan: Baker Books, 1994.
MLA-viite (9. p.)Cionca, John R. Red Light, Green Light: Discerning the Time for a Change in Ministry. Baker Books, 1994.
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