Vrije Universiteit te Amsterdam, Câmara, H., Hosena, K., Schipani, D. S., & Wessels, A. (2002). The promise of hope: A tribute to Dom Hélder. Vrije Universiteit ; Institute of Mennonite Studies.
Παραπομπή σε μορφή Chicago (17η εκδ.)Vrije Universiteit te Amsterdam, Hélder Câmara, Kāmāla Hosena, Daniel S. Schipani, και Antonie Wessels. The Promise of Hope: A Tribute to Dom Hélder. Amsterdam : Elkhart Ind.: Vrije Universiteit ; Institute of Mennonite Studies, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Vrije Universiteit te Amsterdam, et al. The Promise of Hope: A Tribute to Dom Hélder. Vrije Universiteit ; Institute of Mennonite Studies, 2002.
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