Vierck, Robert K.
Vibration analysis / Robert K. Vierck
International Textbook, 1967
 Buku Teks SO
Heldman, Robert K.
Information telecommunications: networks, products and services/Robert K. Heldman
McGraw-Hill , 1994
 Buku Teks
Cooper, Robert K.
Executive EQ : emotional intelligence in business / Robert K. Cooper and Ayman Sawaf
Orion Business Books, 1997
 Buku Teks SO
Evolution at the molecular level / edited by Robert K. Selander, Andrew G. Clark, and Thomas S. Whittam
Massachusetts Sianauer Associates, 1991
 Buku Teks SO
Ensiklopedi tari Indonesia : seri K-O
Proyek Inventarisasi dan Dokumentasi Kebudayaan Daerah, Departemen Pendidikan dan Kebudayaan, 1985
 Buku Referensi