Fatch, B. (1994). Electronic mail system: A network manager`s guide. McGraw Hill.
Cita Chicago Style (17a ed.)Fatch, Burhan. Electronic Mail System: A Network Manager`s Guide. NewYork: McGraw Hill, 1994.
Cita MLA (9a ed.)Fatch, Burhan. Electronic Mail System: A Network Manager`s Guide. McGraw Hill, 1994.
Precaución: Estas citas no son 100% exactas.