Gupta , R. .. R., Kumar , M., & Gupta , V. (1998). Heterocyclic chemistry: Principles , three and four membered heterocyces. Springer.
Chicago Edition CitationGupta , R . R., M. Kumar , i V. Gupta. Heterocyclic Chemistry: Principles , Three and Four Membered Heterocyces. New Delhi: Springer, 1998.
Cita MLAGupta , R . R., et al. Heterocyclic Chemistry: Principles , Three and Four Membered Heterocyces. Springer, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.