APA
Halpern Sheldon W, Nard Craig Allen, . (2011). Fundamentals of United States intellectual property law : Copyright, patent and trademark. London: Kluwer Law International.
Chicago
Halpern Sheldon W, Nard Craig Allen, . 2011. Fundamentals of United States intellectual property law : Copyright, patent and trademark. London: Kluwer Law International.
Harvard
Halpern Sheldon W, Nard Craig Allen, . (2011). Fundamentals of United States intellectual property law : Copyright, patent and trademark. London: Kluwer Law International.
MLA
Halpern Sheldon W, Nard Craig Allen, . Fundamentals of United States intellectual property law : Copyright, patent and trademark. London: Kluwer Law International. 2011.