Allen, Robert E.
Contemporary labor relations / Robert E. Allen and Timoty J. Keaveny
Mass Addison-Wesley , 1983
 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
Washington : magnificent capital / photography by Fred J. Maroon ; text by Robert Smith and Eric Sevareid
Doubleday, 1965
 Buku Teks
Muhammad Ikhsan Tanggok, examiner
Pemujaan leluhur dalam keluarga dan masyarakat Cina-Hakka di Singkawang = Ancestor worship in Chinese-Hakka family and society of Singkawang
2005
 UI - Disertasi (Membership)
Scalapino, Robert A.
Parties and politics in contemporary Japan
University of California Press, 1967
 Buku Teks