APA

Aspen Systems Corporation, United States & Library of Congress. (1979). Concordance of the Copyright Law of the United States, as enacted on October 19, 1976: Title 17, Copyright Law keyword-in-context index. Washington, D.C: Copyright Office, Library of Congress.

Chicago

Aspen Systems Corporation, United States and Library of Congress. 1979. Concordance of the Copyright Law of the United States, as enacted on October 19, 1976: Title 17, Copyright Law keyword-in-context index. Washington, D.C: Copyright Office, Library of Congress.

Harvard

Aspen Systems Corporation, United States and Library of Congress. (1979). Concordance of the Copyright Law of the United States, as enacted on October 19, 1976: Title 17, Copyright Law keyword-in-context index. Washington, D.C: Copyright Office, Library of Congress.

MLA

Aspen Systems Corporation, United States and Library of Congress. Concordance of the Copyright Law of the United States, as enacted on October 19, 1976: Title 17, Copyright Law keyword-in-context index. Washington, D.C: Copyright Office, Library of Congress. 1979.