http://www.issia.cnr.it/ http://www.ba.iac.cnr.it/wp/ https://ntnucamp.sce.ntnu.edu.tw/ http://leda.elfak.ni.ac.rs/

Gaya APA

Sproul, R, C. (1992). Soul's Quest for God, The : Satisfying the hunger for spiritual communion with God . Wheaton, Illinois, USA: Tyndale House Publishers, Inc..

Gaya MLA

Sproul, R., C.. "Soul's Quest for God, The : Satisfying the hunger for spiritual communion with God". Wheaton, Illinois, USA: Tyndale House Publishers, Inc., 1992. Academic.