Gaya APA
Objective english tests : elementary level. (1971).
tempaterbit:
penerbit.
Gaya Chicago
Objective english tests : elementary level.
Edisi.
tempaterbit:
penerbit,
1971.
Text.
Gaya MLA
Objective english tests : elementary level.
Edisi.
tempaterbit:
penerbit,
1971.
Text.
Gaya Turabian
Objective english tests : elementary level.
tempaterbit:
penerbit,
1971.
Print.