Downey, R., Jr., & Kostigen, T. (2024). Cool food: Erasing your carbon footprint one bite at a time (First edition.). Blackstone Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDowney, Robert, Jr., और Thomas Kostigen. Cool Food: Erasing Your Carbon Footprint One Bite at a Time. First edition. Ashland, OR: Blackstone Publishing, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDowney, Robert, Jr., और Thomas Kostigen. Cool Food: Erasing Your Carbon Footprint One Bite at a Time. First edition. Blackstone Publishing, 2024.
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