Gaya APA
Lado english series. (1970).
tempaterbit:
penerbit.
Gaya Chicago
Lado english series.
Edisi.
tempaterbit:
penerbit,
1970.
Text.
Gaya MLA
Lado english series.
Edisi.
tempaterbit:
penerbit,
1970.
Text.
Gaya Turabian
Lado english series.
tempaterbit:
penerbit,
1970.
Print.