Anderson, O. (2001, 26. June). A complete guide to periodization. Zugriff unter http://www.pponline.co.uk/encyc/0147.htm
APA (7th ed.) CitationAnderson, O. A complete guide to periodization.
Chicago Style (17th ed.) CitationAnderson, O. A Complete Guide to Periodization.
MLA (9th ed.) CitationAnderson, O. A Complete Guide to Periodization.
Warning: These citations may not always be 100% accurate.