Sharma, B. (1995). Krishna's objective question bank in chemistry. Krishna Prakashan Media.
Dyfyniad Arddull ChicagoSharma, B.K. Krishna's Objective Question Bank in Chemistry. Meerut: Krishna Prakashan Media, 1995.
Dyfyniad MLASharma, B.K. Krishna's Objective Question Bank in Chemistry. Krishna Prakashan Media, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.