Gupta, D. R., & Malik, D. B. S. (1989). A Treatise on Portozoa: For post-graduate and under- graduate students of all Indian University (3rded.). Pargati.
Chicago-viite (17. p.)Gupta, Dr. R.K, ja Dr. B. S. Malik. A Treatise on Portozoa: For Post-graduate and Under- Graduate Students of All Indian University. 3rded. Meerut: Pargati, 1989.
MLA-viite (9. p.)Gupta, Dr. R.K, ja Dr. B. S. Malik. A Treatise on Portozoa: For Post-graduate and Under- Graduate Students of All Indian University. 3rded. Pargati, 1989.
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