Strategicus
Faber and Faber, 1987
Buku Teks
Saint-Laurent, George E., author
Mayfield, 2000
Buku Teks
Otto Eduardo Fonseca Lobo
Carswell , 2009
Buku Teks
Powell, G. Bingham, author
Pearson Education, 2015
Buku Teks
Cammack, Paul Anthony, author
Macmillan, 1993
Buku Teks