Demosthenes : statesman and orator / edited. Ian Worthington
Routledge, 2000
 Buku Teks
Uldrich, Jack
Soldier, statesman, peacemaker: leadership lessons from George C. Marshall
[American Management Association, ], 2005
 eBooks
The statesman's year-book: stastistical and historical annual of the states of the world for the year 1992-1993
edited by Brian Hunter
Macmillan, 1992
 Buku Referensi
The statesman's year-book: stastistical and historical annual of the states of the world for the year 1991-1992
edited by Brian Hunter
Macmillan, 1991
 Buku Referensi
The statesman's year-book : statistical and historical annual of the states of the world for the year 1969-1970
edited by S.H. Steinberg and John Paxton
MacMillan St Martin's Press, 1969
 Buku Referensi