Gaya APA
Stempleski, S. et al (2005).
Teacher's Resourde Book : Book 3 World Link : Developing english Fluency .
United States:
Thomson.
Gaya MLA
Stempleski, Susan. et al.
"Teacher's Resourde Book : Book 3 World Link : Developing english Fluency".
United States:
Thomson,
2005.
Text.