Silver, P. (1980). Men, mining & money. Innovative Technology Systems.
Cita Chicago Style (17a ed.)Silver, Phyllis. Men, Mining & Money. Innovative Technology Systems, 1980.
Cita MLA (8a ed.)Silver, Phyllis. Men, Mining & Money. Innovative Technology Systems, 1980.
Precaución: Estas citas no son 100% exactas.