Bouscaren, Anthony Trawick
Henry Regnery Company, 1958
Buku Teks
Institute of International Relations, National Chengchi University, 1978
Buku Teks
Buck, John Lossing, 1890-1975, author
Frederick A. Praeger , 1966
Buku Teks
Purcell, Victor, 1896-1965, author
Victor Gollancz, 1954
Buku Teks
Buku Teks