Gaya APA
Real English for senior high school grade X. (2008).
tempaterbit:
penerbit.
Gaya Chicago
Real English for senior high school grade X.
Edisi.
tempaterbit:
penerbit,
2008.
Text.
Gaya MLA
Real English for senior high school grade X.
Edisi.
tempaterbit:
penerbit,
2008.
Text.
Gaya Turabian
Real English for senior high school grade X.
tempaterbit:
penerbit,
2008.
Print.