Sjöberg, S. (2015). The Vanguard Messiah: Lettrism between Jewish mysticism and the Avant-Garde. de Gruyter.
Chicago-viite (17. p.)Sjöberg, Sami. The Vanguard Messiah: Lettrism Between Jewish Mysticism and the Avant-Garde. Berlin [u.a.]: de Gruyter, 2015.
MLA-viite (8. p.)Sjöberg, Sami. The Vanguard Messiah: Lettrism Between Jewish Mysticism and the Avant-Garde. de Gruyter, 2015.
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