Penggayaan APA
HEFFNER, Richard D.. (1976).
A documentary history of the united States .
New York:
New American Library.
Chicago Style
HEFFNER, Richard D..
A documentary history of the united States.
New York:
New American Library,
1976.
Buku.
MLA Style
HEFFNER, Richard D..
A documentary history of the united States.
New York:
New American Library,
1976.
Buku.
Turabian Style
HEFFNER, Richard D..
A documentary history of the united States.
New York:
New American Library,
1976.
Buku.