Gaya APA
Calvert, Patricia. (1997).
The American Frontier Great Lives .
New York:
Atheneum Books.
Gaya Chicago
Calvert, Patricia.
The American Frontier Great Lives.
New York:
Atheneum Books,
1997.
Text Book.
Gaya MLA
Calvert, Patricia.
The American Frontier Great Lives.
New York:
Atheneum Books,
1997.
Text Book.
Gaya Turabian
Calvert, Patricia.
The American Frontier Great Lives.
New York:
Atheneum Books,
1997.
Text Book.