Gaya APA
Celce, M. (2011).
Teaching English as a Second or Foreign Language (Edisi Ketiga).
New York:
Heinle & Heinlee Thomson Learning.
Gaya MLA
Celce, Marianne.
"Teaching English as a Second or Foreign Language".
Edisi Ketiga
New York:
Heinle & Heinlee Thomson Learning,
2011.
Text.