Griswold, Alfred Whitney, 1906-1963, author
Brace, 1939
Buku Teks
Moo,Harriet L
Princeton University press, 1945
Buku Teks
Bisson, T.A., author
International Secretariat Institute of Pasific Realtions , 1945
Buku Teks
Moore, Harriet
Princeton University Press, 1945
Buku Teks
Linebarger, Paul Myron Anthony, 1913-1966, author
York D van Nostrand, 1954
Buku Teks