Ross, J. F. (1976). A history of telecommunications on stamps. Harry Hayes.
Cita Chicago Style (17a ed.)Ross, John F. A History of Telecommunications on Stamps. Batley: Harry Hayes, 1976.
Cita MLA (8a ed.)Ross, John F. A History of Telecommunications on Stamps. Harry Hayes, 1976.
Precaución: Estas citas no son 100% exactas.