Ingrassia, L. (2020). Billion dollar brand club: How Dollar Shave Club, Warby Parker, and other rebel startups are remaking what we buy (First edition.). Henry Holt and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIngrassia, Lawrence. Billion Dollar Brand Club: How Dollar Shave Club, Warby Parker, and Other Rebel Startups Are Remaking What We Buy. First edition. New York: Henry Holt and Company, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIngrassia, Lawrence. Billion Dollar Brand Club: How Dollar Shave Club, Warby Parker, and Other Rebel Startups Are Remaking What We Buy. First edition. Henry Holt and Company, 2020.
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