Gaya APA
WISHON, G, E., M.BURKS, J.
(1980).
LET’S WRITE ENGLISH
.
New York:
Litton Education Publishing.
Gaya MLA
WISHON, GEORGE, E.., M.BURKS, JULIA.
"LET’S WRITE ENGLISH".
New York:
Litton Education Publishing,
1980.
Art Original.