APA
BARRETT M., . (2011). INTELLECTUAL PROPERTY CASES AND MATERIALS. ST.PAUL,MN: WEST PUBLISHING,CO.
Chicago
BARRETT MARGRETH, . 2011. INTELLECTUAL PROPERTY CASES AND MATERIALS. ST.PAUL,MN: WEST PUBLISHING,CO.
Harvard
BARRETT M., . (2011). INTELLECTUAL PROPERTY CASES AND MATERIALS. ST.PAUL,MN: WEST PUBLISHING,CO.
MLA
BARRETT MARGRETH, . INTELLECTUAL PROPERTY CASES AND MATERIALS. ST.PAUL,MN: WEST PUBLISHING,CO. 2011.