Gaya APA
Stempleski, S. et al (2006).
TEACHER'S EDITION : Upper-intermediate WORLD PASS Expanding English Fluency .
United States:
Thomson Heinle.
Gaya MLA
Stempleski, Susan. et al.
"TEACHER'S EDITION : Upper-intermediate WORLD PASS Expanding English Fluency".
United States:
Thomson Heinle,
2006.
Text.