Gaya APA
Caterpillar D8 Tractor. (1962).
United States of America:
.
Gaya Chicago
Caterpillar D8 Tractor.
.
United States of America:
,
1962.
Text.
Gaya MLA
Caterpillar D8 Tractor.
.
United States of America:
,
1962.
Text.
Gaya Turabian
Caterpillar D8 Tractor.
United States of America:
,
1962.
Print.