APA-ийн эшлэл(7 дахь хэвлэлт)

Steinpach, R. (1989). How is it that we live after death and what is ... Stiftung Gralsbotschaft.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Steinpach, Richard. How Is It That We Live After Death and What Is ... Stuttgart: Stiftung Gralsbotschaft, 1989.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Steinpach, Richard. How Is It That We Live After Death and What Is ... Stiftung Gralsbotschaft, 1989.