Gaya APA
Goff, Richard. (1990).
The Twentieth century : a brief global history (3rd ed).
New York:
McGraw-Hill.
Gaya Chicago
Goff, Richard.
The Twentieth century : a brief global history.
3rd ed
New York:
McGraw-Hill,
1990.
Text.
Gaya MLA
Goff, Richard.
The Twentieth century : a brief global history.
3rd ed
New York:
McGraw-Hill,
1990.
Text.
Gaya Turabian
Goff, Richard.
The Twentieth century : a brief global history.
3rd ed
New York:
McGraw-Hill,
1990.
Print.