Egan, T., & York, J. (2021). The worst hard time: The untold story of those who survived the great american dust bowl (Unabridged.). HarperAudio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEgan, Timothy, और Jacob York. The Worst Hard Time: The Untold Story of Those Who Survived the Great American Dust Bowl. Unabridged. New York: HarperAudio, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEgan, Timothy, और Jacob York. The Worst Hard Time: The Untold Story of Those Who Survived the Great American Dust Bowl. Unabridged. HarperAudio, 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.