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