APA citiranje

Walach, H. (2015). Secular Spirituality: The Next Step Towards Enlightenment. Springer.

Trích dẫn kiểu Chicago

Walach, Harald. Secular Spirituality: The Next Step Towards Enlightenment. Springer, 2015.

MLA citiranje

Walach, Harald. Secular Spirituality: The Next Step Towards Enlightenment. Springer, 2015.

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