Chopra Sheetal & Taneja Akash. (2009). Patent Agent Examination (1st.). LexisNexis Butterworths.
Chicago Style (17. basım) AtıfChopra Sheetal & Taneja Akash. Patent Agent Examination. 1st. Haryana: LexisNexis Butterworths, 2009.
MLA (9th ed.) AtıfChopra Sheetal & Taneja Akash. Patent Agent Examination. 1st. LexisNexis Butterworths, 2009.
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