Gupta, D. L., & Gupta, D. . S. S. (1991). Interpretation of common investigations (4th ed.). Jaypee.
Cita Chicago (17th ed.)Gupta, Dr. L.C, i Dr. S. S. Gupta. Interpretation of Common Investigations. 4th ed. New Delhi: Jaypee, 1991.
Cita MLA (9th ed.)Gupta, Dr. L.C, i Dr. S. S. Gupta. Interpretation of Common Investigations. 4th ed. Jaypee, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.