Gaya APA
Real English: for senior high school grade X. (2004).
tempaterbit:
penerbit.
Gaya Chicago
Real English: for senior high school grade X.
Edisi.
tempaterbit:
penerbit,
2004.
Text.
Gaya MLA
Real English: for senior high school grade X.
Edisi.
tempaterbit:
penerbit,
2004.
Text.
Gaya Turabian
Real English: for senior high school grade X.
tempaterbit:
penerbit,
2004.
Print.