Dyfyniad APA

Fatch, B. (1994). Electronic mail system: A network manager`s guide. McGraw Hill.

Dyfyniad Arddull Chicago

Fatch, Burhan. Electronic Mail System: A Network Manager`s Guide. NewYork: McGraw Hill, 1994.

Dyfyniad MLA

Fatch, Burhan. Electronic Mail System: A Network Manager`s Guide. McGraw Hill, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.