Ingersoll, R. G. (1929). The works of Robert G. Ingersoll .. Ingersoll league.
Chicago Style aipamenaIngersoll, Robert Green. The Works of Robert G. Ingersoll .. New York: Ingersoll league, 1929.
MLA aipamenaIngersoll, Robert Green. The Works of Robert G. Ingersoll .. Ingersoll league, 1929.
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