Hughes,Selwyn. (1991). Understanding the presence of God. CWR.
Cita Chicago (17th ed.)Hughes,Selwyn. Understanding the Presence of God. Surrey: CWR, 1991.
Cita MLA (9th ed.)Hughes,Selwyn. Understanding the Presence of God. CWR, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.