Smith, Robert J.
Ancestor worship in contemporary Japan / Robert J. Smith
Stanford Univerisity Press, 1974
 Buku Teks
Flanagan, Robert J.
Labor economic and labor relations / Robert J. Flanagan, Robert S. Smith, and Ronald G. Ehrenberg
Scott, Foresman, 1984
 Buku Teks
Gustafson, Charles H.
Taxation of international transactions : materials, text, and problems / by Charles H. Gustafson, Robert J. Peroni, Richard Crawford Pugh
West Publishing Co., 1997
 Buku Teks
Jungk, Robert
The nuclear State / by Robert Jungk; translated by Eric Mosbacher
John Calder , 1979
 Buku Teks
Hanssmann, Fred
Operations research techniques for capital investment / Fred Hanssmann
Wiley & Sons , 1968
 Buku Teks