Gaya APA
New Horizons in english. (1973).
tempaterbit:
penerbit.
Gaya Chicago
New Horizons in english.
Edisi.
tempaterbit:
penerbit,
1973.
Text.
Gaya MLA
New Horizons in english.
Edisi.
tempaterbit:
penerbit,
1973.
Text.
Gaya Turabian
New Horizons in english.
tempaterbit:
penerbit,
1973.
Print.