Bitner, H. (1979). Problems for effective legal research (5th ed.). Little, Brown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBitner, Harry. Problems for Effective Legal Research. 5th ed. Boston: Little, Brown, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBitner, Harry. Problems for Effective Legal Research. 5th ed. Little, Brown, 1979.
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