Humphrey's Executor v. United States. Great Neck Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHumphrey's Executor V. United States. Great Neck Publishing.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHumphrey's Executor V. United States. Great Neck Publishing.
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