Gaya APA
A practical english lesson. (1985).
tempaterbit:
penerbit.
Gaya Chicago
A practical english lesson.
Edisi.
tempaterbit:
penerbit,
1985.
Text.
Gaya MLA
A practical english lesson.
Edisi.
tempaterbit:
penerbit,
1985.
Text.
Gaya Turabian
A practical english lesson.
tempaterbit:
penerbit,
1985.
Print.