Cashen, R. A. (1981). Solitude in the thought of Thomas Merton. Cistercian Publications.
Čikaški stil citiranja (17. izdanje)Cashen, Richard Anthony. Solitude in the Thought of Thomas Merton. Kalamazoo, Mich.: Cistercian Publications, 1981.
MLA način citiranja (8. izdanje)Cashen, Richard Anthony. Solitude in the Thought of Thomas Merton. Cistercian Publications, 1981.
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