Steinpach, R. (1989). How is it that we live after death and what is ... Stiftung Gralsbotschaft.
Čikaški stil citiranja (17. izdanje)Steinpach, Richard. How Is It That We Live After Death and What Is ... Stuttgart: Stiftung Gralsbotschaft, 1989.
MLA način citiranja (9. izdanje)Steinpach, Richard. How Is It That We Live After Death and What Is ... Stiftung Gralsbotschaft, 1989.
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