Zilberstein, Anya
A temperate empire: making climate change in early America
Oxford University Press, 2016
 eBooks
Gibbon, Edwards
Decline and fall of the Roman empire
New York : The Modern Library, [t.th].
 Buku Teks
Halberstam, David
The making of aquagmire: America and Vietnam during the Kennedy era/David Helberstam; edited with an introduction by Daniel J. Singal
New York Alfred A. Knopf 1988,
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Gibbon, Edward
The decline and fall of the Roman empire vol.1-VI / Edward Gibbon
Random House , 1994
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Gibbon, Edward
The decline and fall of the Roman empire vol. IV
Random House, 1994
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