APA
Armstrong C. J., . (1999). Staying legal: a guide to issues and practice for users and publishers of electronic resources. London: Library Association Publishing.
Chicago
Armstrong Chris J, . 1999. Staying legal: a guide to issues and practice for users and publishers of electronic resources. London: Library Association Publishing.
Harvard
Armstrong C. J., . (1999). Staying legal: a guide to issues and practice for users and publishers of electronic resources. London: Library Association Publishing.
MLA
Armstrong Chris J, . Staying legal: a guide to issues and practice for users and publishers of electronic resources. London: Library Association Publishing. 1999.