Gaya APA
RITCHIE, D, A., Broussard, A, S.
(1997).
AMERICAN HISTORY : The early years to 1877
.
USA:
McGraw Hill.
Gaya MLA
RITCHIE, Donald, A.., Broussard, Albert, S..
"AMERICAN HISTORY : The early years to 1877".
USA:
McGraw Hill,
1997.
Text.