Kippenberg, H. G., & Seidensticker, T. (2006). The 9/11 Handbook: Annotated translation and interpretation of the attackers' 'Spiritual Manual' / ed. by Hans G. Kippenberg and Tilman Seidensticker. Equinox Publ..

Kippenberg, Hans G., and Tilman Seidensticker. The 9/11 Handbook: Annotated Translation and Interpretation of the Attackers' 'Spiritual Manual' / Ed. by Hans G. Kippenberg and Tilman Seidensticker. London [u.a.]: Equinox Publ., 2006.

Kippenberg, Hans G., and Tilman Seidensticker. The 9/11 Handbook: Annotated Translation and Interpretation of the Attackers' 'Spiritual Manual' / Ed. by Hans G. Kippenberg and Tilman Seidensticker. Equinox Publ., 2006.