Gaya APA
Shrader, R, L.
(1980).
Electronic communication
(
4)
.
New York:
GREGG DIVISION McGRAW-HILL BOOK COMPANY.
Gaya MLA
Shrader, Robert, L..
"Electronic communication".
4
New York:
GREGG DIVISION McGRAW-HILL BOOK COMPANY,
1980.
Text.