Chopra, S. T. (2009). Patent agent examination. LexisNexis Butterworths.
Chicago Edition CitationChopra, Sheetal Taneja. Patent Agent Examination. Nagpur: LexisNexis Butterworths, 2009.
MLA引文Chopra, Sheetal Taneja. Patent Agent Examination. LexisNexis Butterworths, 2009.
警告:這些引文格式不一定是100%准確.