Griffis, W. E. (1912). Belgium: The land of art ; its history, legends, industry and modern expansion. Houghton Mifflin.
Chicago-referens (17:e uppl.)Griffis, William Elliot. Belgium: The Land of Art ; Its History, Legends, Industry and Modern Expansion. Boston and New York: Houghton Mifflin, 1912.
MLA-referens (9:e uppl.)Griffis, William Elliot. Belgium: The Land of Art ; Its History, Legends, Industry and Modern Expansion. Houghton Mifflin, 1912.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.