Nielsen, N. C. (1991). Revolutions in Eastern Europe: The religious roots. Orbis Books.
Cita Chicago Style (17a ed.)Nielsen, Niels C. Revolutions in Eastern Europe: The Religious Roots. Maryknoll, N.Y: Orbis Books, 1991.
Cita MLA (8a ed.)Nielsen, Niels C. Revolutions in Eastern Europe: The Religious Roots. Orbis Books, 1991.
Precaución: Estas citas no son 100% exactas.