Willson, T. (1987). How I learned soul travel: The true experiences of a student in Eckankar, the ancient science of soul travel. Illuminated Way Publishing Inc.
Citazione stile Chigago Style (17a edizione)Willson, Terrill. How I Learned Soul Travel: The True Experiences of a Student in Eckankar, the Ancient Science of Soul Travel. Crystal: Illuminated Way Publishing Inc, 1987.
Citatione MLA (8a ed.)Willson, Terrill. How I Learned Soul Travel: The True Experiences of a Student in Eckankar, the Ancient Science of Soul Travel. Illuminated Way Publishing Inc, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.