Gaya APA
Ritter, Harry. (1986).
Dictionary of concepts in history .
New York:
Greenwood Press.
Gaya Chicago
Ritter, Harry.
Dictionary of concepts in history.
New York:
Greenwood Press,
1986.
Text.
Gaya MLA
Ritter, Harry.
Dictionary of concepts in history.
New York:
Greenwood Press,
1986.
Text.
Gaya Turabian
Ritter, Harry.
Dictionary of concepts in history.
New York:
Greenwood Press,
1986.
Print.