editors, Roy C. Macridis and Robert E. Ward
Prentice-Hall, 1963
Buku Teks
editors, Robert E. Ward and Roy C. Macridis
Prentice-Hall, 1963
Buku Teks
Little, Brown , 1970
Buku Teks
Darling, Frank C.
G.K Hall & co., 1979
Buku Teks
Thomson, Ian, author
John Murray, 1957, 1960
Buku Teks