Petre, M. D. M. (1904). The soul's orbit: Or, Man's journey to God. Longman's, Green.
Chicago Style (17. basım) AtıfPetre, Maude Dominica Mary. The Soul's Orbit: Or, Man's Journey to God. London ; New York: Longman's, Green, 1904.
MLA (8th ed.) AtıfPetre, Maude Dominica Mary. The Soul's Orbit: Or, Man's Journey to God. Longman's, Green, 1904.
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