Gaya APA
Heffner, Richard D.. (1952).
A Documentary History Of The United States .
New York:
The New American Library.
Gaya Chicago
Heffner, Richard D..
A Documentary History Of The United States.
New York:
The New American Library,
1952.
Text.
Gaya MLA
Heffner, Richard D..
A Documentary History Of The United States.
New York:
The New American Library,
1952.
Text.
Gaya Turabian
Heffner, Richard D..
A Documentary History Of The United States.
New York:
The New American Library,
1952.
Print.