Copyright Clearance Center. (1995). Copyright Clearance Center. Copyright Clearance Center.
Chicago Style (17th ed.) CitationCopyright Clearance Center. Copyright Clearance Center. [Erscheinungsort nicht ermittelbar]: Copyright Clearance Center, 1995.
MLA (9th ed.) CitationCopyright Clearance Center. Copyright Clearance Center. Copyright Clearance Center, 1995.
Warning: These citations may not always be 100% accurate.