Gaya APA
The Americana annual 1980. (1980).
tempaterbit:
penerbit.
Gaya Chicago
The Americana annual 1980.
Edisi.
tempaterbit:
penerbit,
1980.
Text.
Gaya MLA
The Americana annual 1980.
Edisi.
tempaterbit:
penerbit,
1980.
Text.
Gaya Turabian
The Americana annual 1980.
tempaterbit:
penerbit,
1980.
Print.