Sharma J K. (2009). Oparashan resarch ; Theory and Applications. [s.n].
芝加哥风格引文Sharma J K. Oparashan Resarch ; Theory and Applications. [s.l]: [s.n], 2009.
MLA引文Sharma J K. Oparashan Resarch ; Theory and Applications. [s.n], 2009.
警告：这些引文格式不一定是100％准确.