Gaya APA
Swanson, C, P., Ross, J. (1982).
Understanding english a listening approach to ESL .
New York:
New York: Harper & Row; 1982.
Gaya MLA
Swanson, Carl, P.., Ross, Janet.
"Understanding english a listening approach to ESL".
New York:
New York: Harper & Row; 1982,
1982.
Text.