APA-viite (7. p.)
Lenk, S. (2013). Consciousness in oscillation: Worldviews and their transcendence as spiritual practice. PL Academic Research.
Chicago-viite (17. p.)
Lenk, Sonja. Consciousness in Oscillation: Worldviews and Their Transcendence as Spiritual Practice. Frankfurt am Main: PL Academic Research, 2013.
MLA-viite (9. p.)
Lenk, Sonja. Consciousness in Oscillation: Worldviews and Their Transcendence as Spiritual Practice. PL Academic Research, 2013.
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