Kess, Joseph F.
Ambiguity in psycholinguistics / Joseph F. Kess, Ronald A. Hoppe
John Benjamin B.V., 1981
 Buku Teks SO
Kortschak, Irfan
Invisible people : poverty and empowerment in Indonesia
Lontar Foundation, 2010
 Buku Teks
Problestein, Ronald F
Synthetic fuels/Ronald F Probstein, R. Edwin Hicks
McGraw-Hill International Book Company, 1982
 Buku Teks SO
Mendelsohn, Ronald S.
Condition of the people social welfare in Australia, 1900-1975 / Ronald Mendelsohn
George Allen& Unwin , 1979
 Buku Teks
Winfield, Gerald F.
China the land and the people / Gerald F. Winfield
William Sloane Associates, Inc., 1948
 Buku Teks SO