Attenborough, D., & Butfield, C. (2025). Ocean: Earth's last wilderness (First GCP edition.). Grand Central Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAttenborough, David, और Colin Butfield. Ocean: Earth's Last Wilderness. First GCP edition. New York, NY: Grand Central Publishing, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAttenborough, David, और Colin Butfield. Ocean: Earth's Last Wilderness. First GCP edition. Grand Central Publishing, 2025.
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