Davis, Janet M.
The gospel of kindness: animal welfare and the making of modern America
Oxford University Press, 2016
eBooks
America
New York: W.W.Norton & Company, 1988,
Buku Referensi
Sitkoff, Harvard
Postwar America
Oxford University Press, 2000
Buku Teks
Chronicle of America.
ECAM Publications, 1989
Buku Teks
Risjord, Norman K.
America a history of the United States
Prentice-Hall, 1985
Buku Teks