(1966). A field guide to shells of the Pacific Coast and Hawaii, including shells of the Gulf of California.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रA Field Guide to Shells of the Pacific Coast and Hawaii, Including Shells of the Gulf of California. 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रA Field Guide to Shells of the Pacific Coast and Hawaii, Including Shells of the Gulf of California. 1966.
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