Gaya APA
Understanding and using English grammar. (2003).
tempaterbit:
penerbit.
Gaya Chicago
Understanding and using English grammar.
Edisi.
tempaterbit:
penerbit,
2003.
Text.
Gaya MLA
Understanding and using English grammar.
Edisi.
tempaterbit:
penerbit,
2003.
Text.
Gaya Turabian
Understanding and using English grammar.
tempaterbit:
penerbit,
2003.
Print.