Ryder, Frank Raymond
Negotiable instruments
Penguin Books, 1970
 Buku Teks SO
Peters, Ellen A.
A Negotiable instruments primer
Bobbs-Merrill, 1974
 Buku Teks
Speidel, Richard E.
Negotiable instruments and check collection : (the new law) in a nutshell
West Publishing, 1993
 Buku Teks
Soe, Myint
The Law of banking and negotiable instruments in Singapore and Malaysia
Quins PTE, 1977
 Buku Teks
Gillette, Clayton P.
Commercial paper
Palmer avenue. Larchmont, 1995
 Buku Teks SO