Bitner, H. (1979). Problems for effective legal research (5th ed.). Little, Brown.
Cita Chicago (17th ed.)Bitner, Harry. Problems for Effective Legal Research. 5th ed. Boston: Little, Brown, 1979.
Cita MLA (9th ed.)Bitner, Harry. Problems for Effective Legal Research. 5th ed. Little, Brown, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.