Gaya APA
Developing english competencies for senior high school. (2008).
tempaterbit:
penerbit.
Gaya Chicago
Developing english competencies for senior high school.
Edisi.
tempaterbit:
penerbit,
2008.
Text.
Gaya MLA
Developing english competencies for senior high school.
Edisi.
tempaterbit:
penerbit,
2008.
Text.
Gaya Turabian
Developing english competencies for senior high school.
tempaterbit:
penerbit,
2008.
Print.