Gaya APA
Brinkley, A. (2014).
The Unfinished Nation A Concise History of The American People (7th Edition).
Columbia University:
The Mc Graw Hill.
Gaya MLA
Brinkley, Alan.
"The Unfinished Nation A Concise History of The American People".
7th Edition
Columbia University:
The Mc Graw Hill,
2014.
Text.