Gaya APA
Steinbeck, J.
(-1972).
In dubious battle, (16th pr.) Cet. pertama 1936.
.
London dsl:
Fathfinder.
Gaya MLA
Steinbeck, John..
"In dubious battle, (16th pr.) Cet. pertama 1936. ".
London dsl:
Fathfinder,
-1972.
Buku.