Groeschel, C. (2018). Hope in the dark: Believing God is good when life is not. Zondervan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGroeschel, Craig. Hope in the Dark: Believing God Is Good When Life Is Not. Grand Rapids, Michigan: Zondervan, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGroeschel, Craig. Hope in the Dark: Believing God Is Good When Life Is Not. Zondervan, 2018.
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