Gaya APA
Callaghan, C, A, O. (2009).
Advanced english idioms for effective communication : more than 6000 idioms & proverbs .
Jakarta:
Erlangga.
Gaya MLA
Callaghan, C., A., O.
"Advanced english idioms for effective communication : more than 6000 idioms & proverbs".
Jakarta:
Erlangga,
2009.
Text.