Wetzel, Robert G.
Limnology / Robert G. Wetzel
Saunders College Publishing, 1983
 Buku Teks SO
Middleton, Robert Gordon, 1908-
Audels handy book of practical electricity / Robert G. Middleton
D. B. Taraporevala Sons & Co., 1969
 Buku Teks
Farrel, Robert E.
RNA methodologies : a laboratory guide for isolation and characterization / Robert E. Farrell
Academic press, 1993
 Buku Teks
Davis, Robert J.
Digital and computer projects / Robert J. Davis
Newnes, 1999
 Buku Teks SO
Ouellette, Robert J.
Experiments in general, organic, and biological chemistry / penulis, Robert J. Ouellette dan Jason H. Manchester
Macmillan, 1983
 Buku Teks SO