Παραπομπή APA

Len Sperry. (2011). Spirituality in clinical practice: Theory and practice of spirituality orientedpsychotherapy. Routledge.

Παραπομπή Chicago Style

Len Sperry. Spirituality in Clinical Practice: Theory and Practice of Spirituality Orientedpsychotherapy. London: Routledge, 2011.

Παραπομπή MLA

Len Sperry. Spirituality in Clinical Practice: Theory and Practice of Spirituality Orientedpsychotherapy. Routledge, 2011.