Strobel, L. (2023). Is God real?: Exploring the ultimate question of life. Zondervan Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStrobel, Lee. Is God Real?: Exploring the Ultimate Question of Life. Grand Rapids, Michigan: Zondervan Books, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStrobel, Lee. Is God Real?: Exploring the Ultimate Question of Life. Zondervan Books, 2023.
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