Sophie dari Prusia: Perbedaan antara revisi

* {{cite book|first=Julia P.|last=Gelardi |authorlink=Julia P. Gelardi|title=Born to Rule: Five Reigning Consorts, Granddaughters of Queen Victoria

|publisher= St. Martin's Press|location=New York|year=2005|isbn=0312324243 |ref=harv}}

|last=Leon |first=G. B. |title=Greece and the Great Powers 1914-17 |publisher=Institute of Balkan Studies |year=1974 |location=Thessaloniki |url=http://books.google.com/books?id=WYmyAAAAIAAJ |oclc=462815121 |ref=harv}}