Gaya APA
Steinbeck, John. (1978).
In Dubious Battle .
New York:
Penguin Books.
Gaya Chicago
Steinbeck, John.
In Dubious Battle.
New York:
Penguin Books,
1978.
Text.
Gaya MLA
Steinbeck, John.
In Dubious Battle.
New York:
Penguin Books,
1978.
Text.
Gaya Turabian
Steinbeck, John.
In Dubious Battle.
New York:
Penguin Books,
1978.
Print.