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Gaya APA
The Type XXI U-boat. (1988).
:
Anatomy of the ship.
Gaya Chicago
The Type XXI U-boat.
.
:
Anatomy of the ship,
1988.
Text.
Gaya MLA
The Type XXI U-boat.
.
:
Anatomy of the ship,
1988.
Text.
Gaya Turabian
The Type XXI U-boat.
:
Anatomy of the ship,
1988.
Print.