Gaya APA
Caterpillar 977K Traxcavator. (1974).
London:
Caterpillar Parts Book.
Gaya Chicago
Caterpillar 977K Traxcavator.
Revised Ed.
London:
Caterpillar Parts Book,
1974.
Text.
Gaya MLA
Caterpillar 977K Traxcavator.
Revised Ed.
London:
Caterpillar Parts Book,
1974.
Text.
Gaya Turabian
Caterpillar 977K Traxcavator.
London:
Caterpillar Parts Book,
1974.
Print.