Trager, Frank
Institute of Pacific relation, 1958
Buku Teks
Stanford University Press, 1959
Buku Teks
University of Pennsylvania Press, 1971
Buku Teks
Trager, Frank N.
Frederick A. Preager, 1966
Buku Teks
Higgins, Hugh
Heinemann Educational, 1975
Buku Teks