Khalifa, K., & Shah, N. (2019). Death is hard work: A novel (Unabridged.). HighBridge Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKhalifa, Khaled, और Neil Shah. Death Is Hard Work: A Novel. Unabridged. Prince Frederick: HighBridge Audio, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKhalifa, Khaled, और Neil Shah. Death Is Hard Work: A Novel. Unabridged. HighBridge Audio, 2019.
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