Sagberg, S. (2015). Holistic religious education - is it possible?: The complex web of religion, spirituality and morality. Research on religious and spiritual education.
Chicago-Zitierstil (17. Ausg.)Sagberg, Sturla. "Holistic Religious Education - Is It Possible?: The Complex Web of Religion, Spirituality and Morality." Research on Religious and Spiritual Education 2015.
MLA-Zitierstil (8. Ausg.)Sagberg, Sturla. "Holistic Religious Education - Is It Possible?: The Complex Web of Religion, Spirituality and Morality." Research on Religious and Spiritual Education, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.