Johansen, Erika
The queen of the tearling
Mizan Pustaka, 2016
 Buku Teks SO
Hui, Cang
Invasion dynamics
Oxford University Press, 2017
 eBooks
Welch, W.
Caesar's invasion of Britain
Macmillan, 1908
 Buku Teks SO
O`Shaughnessy, Hugh
Grenada : revolution, invasion and aftermath
H. Hamilton with The Observer, 1984
 Buku Teks SO
Faith, Nicholas
The Infiltrators the European business invasion of America
Hamish Hamilton, 1971
 Buku Teks SO