Gaya APA
HUMPHREY, E., HACKER, J.
(1982, 1983, 1984).
The Americana Annual.
.
Amarika:
Grolier.
Gaya MLA
HUMPHREY, Edward., HACKER, Jeff.
"The Americana Annual.".
Amarika:
Grolier,
1982, 1983, 1984.
Text.