Steinpach, R. (1989). How is it that we live after death and what is ... Stiftung Gralsbotschaft.
Cita Chicago (17th ed.)Steinpach, Richard. How Is It That We Live After Death and What Is ... Stuttgart: Stiftung Gralsbotschaft, 1989.
Cita MLA (9th ed.)Steinpach, Richard. How Is It That We Live After Death and What Is ... Stiftung Gralsbotschaft, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.