APA

United States, . (1993). Copyright law of the United States of America contained in Title 17 of the United States Code. Washington: Copyright Office, Library of Congress.

Chicago

United States, . 1993. Copyright law of the United States of America contained in Title 17 of the United States Code. Washington: Copyright Office, Library of Congress.

Harvard

United States, . (1993). Copyright law of the United States of America contained in Title 17 of the United States Code. Washington: Copyright Office, Library of Congress.

MLA

United States, . Copyright law of the United States of America contained in Title 17 of the United States Code. Washington: Copyright Office, Library of Congress. 1993.