Cho, P. Y. (1979). The fourth dimension (ed.). Rhema publication ministry.
Cita Chicago (17th ed.)Cho, Paul Yonggi. The Fourth Dimension. ed. Rhema publication ministry, 1979.
Cita MLA (9th ed.)Cho, Paul Yonggi. The Fourth Dimension. ed. Rhema publication ministry, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.