Não informado. Studies in formative spirituality. Duquesne University, Institute of Formative Spirituality.
Citação do estilo Chicago (17ª ed.)Não informado. Studies in Formative Spirituality. Pittsburgh, Pa: Duquesne University, Institute of Formative Spirituality.
Citação MLA (8ª ed.)Não informado. Studies in Formative Spirituality. Duquesne University, Institute of Formative Spirituality.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.