Gerber, Philip L., author
Wadsworth , 1968
Buku Teks
1959
Buku Teks
Fall, Bernard B
Frederick A.Preager, 1966
Buku Teks
McNamara, Robert S., 1916-2009, author
Vintage Books , 1996
Buku Teks
Tregaskis, Richard
Holt, Rinehart and Winston, 1963
Buku Teks