Gaya APA
Teaching english as a foreign language. (1970).
tempaterbit:
penerbit.
Gaya Chicago
Teaching english as a foreign language.
Edisi.
tempaterbit:
penerbit,
1970.
Text.
Gaya MLA
Teaching english as a foreign language.
Edisi.
tempaterbit:
penerbit,
1970.
Text.
Gaya Turabian
Teaching english as a foreign language.
tempaterbit:
penerbit,
1970.
Print.