Gaya APA
WELCH, J.A, P A Wilson. (1981).
Electronic mail systems,office technology in the '80s .
England:
NCC.
Gaya Chicago
WELCH, J.A, P A Wilson.
Electronic mail systems,office technology in the '80s.
England:
NCC,
1981.
Monograf.
Gaya MLA
WELCH, J.A, P A Wilson.
Electronic mail systems,office technology in the '80s.
England:
NCC,
1981.
Monograf.
Gaya Turabian
WELCH, J.A, P A Wilson.
Electronic mail systems,office technology in the '80s.
England:
NCC,
1981.
Monograf.