Gaya APA

, ., Fragiadakis, H, K. (2002). All clear! advanced idioms & pronunciation in context . Boston: Boston: Thomson Heinle, 2002.

Gaya MLA

, ., Fragiadakis, Helen, Kalkstein. "All clear! advanced idioms & pronunciation in context". Boston: Boston: Thomson Heinle, 2002, 2002. .