Gaya APA
Risjord, N, K. (1985).
America : A history of the United States vol.1 to 1877 / Norman K. Risjord .
London:
Prentice Hall.
Gaya MLA
Risjord, Norman, K..
"America : A history of the United States vol.1 to 1877 / Norman K. Risjord".
London:
Prentice Hall,
1985.
Text.