Gaya APA
Brinkley, A. (2014).
The Unfinished Nation : a concise history of the american people (Seventh Edition) (7th Ed.).
America:
Mc Graw Hiil.
Gaya MLA
Brinkley, Alan.
"The Unfinished Nation : a concise history of the american people (Seventh Edition)".
7th Ed.
America:
Mc Graw Hiil,
2014.
TEXT.