APA Style
GREGORY, Sandra. (2006).
Megafactories: Apache Helicopter .
-:
National Geographic.
Chicago Style
GREGORY, Sandra.
Megafactories: Apache Helicopter.
-:
National Geographic,
2006.
Text.
MLA Style
GREGORY, Sandra.
Megafactories: Apache Helicopter.
-:
National Geographic,
2006.
Text.
Turabian Style
GREGORY, Sandra.
Megafactories: Apache Helicopter.
-:
National Geographic,
2006.
Print.