Watch tower Bible and tract society. (1944). "The kingdom is at hand". s. n.
Cita Chicago (17th ed.)Watch tower Bible and tract society. "The Kingdom Is at Hand". [Brooklyn: s. n, 1944.
Cita MLA (9th ed.)Watch tower Bible and tract society. "The Kingdom Is at Hand". s. n, 1944.
Atenció: Aquestes cites poden no estar 100% correctes.