Canning, J. (1967). 100 great events that changed the works. Asia Pub. House.
Chicago-referens (17:e uppl.)Canning, John. 100 Great Events That Changed the Works. Bombay: Asia Pub. House, 1967.
MLA-referens (9:e uppl.)Canning, John. 100 Great Events That Changed the Works. Asia Pub. House, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.