Gupta , R. .. R., Kumar , M., & Gupta , V. (1998). Heterocyclic chemistry: Principles , three and four membered heterocyces. Springer.
Chicago Edition CitationGupta , R . R., M. Kumar , and V. Gupta. Heterocyclic Chemistry: Principles , Three and Four Membered Heterocyces. New Delhi: Springer, 1998.
Deismireacht MLAGupta , R . R., et al. Heterocyclic Chemistry: Principles , Three and Four Membered Heterocyces. Springer, 1998.
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