R K Gupta and R K Amit, . (2006). Inorganic Chemistry. Meerut: Arihant Prakashan.
R K Gupta and R K Amit, . 2006. Inorganic Chemistry. Meerut: Arihant Prakashan.
R K Gupta and R K Amit, . Inorganic Chemistry. Meerut: Arihant Prakashan. 2006.