Oster, E. (2021). The family firm: A data-driven guide to better decision making in the early school years (Unabridged.). Penguin Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOster, Emily. The Family Firm: A Data-driven Guide to Better Decision Making in the Early School Years. Unabridged. New York: Penguin Audio, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOster, Emily. The Family Firm: A Data-driven Guide to Better Decision Making in the Early School Years. Unabridged. Penguin Audio, 2021.
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