Gaya APA
Wishon, G, E., Burks, J, M.
(1980).
Let's Write English
(
Cet. 1)
.
New York:
Litton Educational Publishing.
Gaya MLA
Wishon, George, E.., Burks, Julia, M..
"Let's Write English".
Cet. 1
New York:
Litton Educational Publishing,
1980.
Text.