Howe, W. (1968). The Mining Guild of New Spain and its Tribunal General, 1770-1821. Greenwood Press.
Chicago-referens (17:e uppl.)Howe, Walter. The Mining Guild of New Spain and Its Tribunal General, 1770-1821. New York: Greenwood Press, 1968.
MLA-referens (8:e uppl.)Howe, Walter. The Mining Guild of New Spain and Its Tribunal General, 1770-1821. Greenwood Press, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.