Sharma, B. (1995). Krishna's objective question bank in chemistry. Krishna Prakashan Media.
استشهاد بنمط شيكاغوSharma, B.K. Krishna's Objective Question Bank in Chemistry. Meerut: Krishna Prakashan Media, 1995.
MLA استشهادSharma, B.K. Krishna's Objective Question Bank in Chemistry. Krishna Prakashan Media, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.