Parr, R. L., & Parr,Russell. L. (2021). Intellectual Property: Valuation Exploration and Infringement Damages 2021 Cumulative Supplement (5th.). Wiley.
Lua i Stíl Chicago (17ú heag.)Parr, Russell L., agus Parr,Russell. L. Intellectual Property: Valuation Exploration and Infringement Damages 2021 Cumulative Supplement. 5th. New Jersey: Wiley, 2021.
Lua MLA (9ú heag.)Parr, Russell L., agus Parr,Russell. L. Intellectual Property: Valuation Exploration and Infringement Damages 2021 Cumulative Supplement. 5th. Wiley, 2021.
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