Sabine, George H., author
Henry Holt , 1954
Buku Teks
Sabine, George H., author
Harcourt Brace College Publishers, 1973
Buku Teks
Moberg, Mark, 1959-, author
Routledge, 2013
Buku Teks
Sabine, George H., author
Binacipta, 1964, 1969
Buku Teks
Sabine, George H., author
Binacipta, 1981
Buku Teks