Dolan, John F.
The law of letters of credit commercial and standby credits
Warren, Gorham & Lamont, 1991
 Buku Teks SO
Dolan, John F.
The law of letters of credit commercial and standby credits
Warren, Gorham & Lamont, 1996
 Buku Teks SO
Current problems of international trade financing / edited by C.M. Chinkin, P. J. Davidson and W.J.M. Ricquier
The Faculty of Law, National University of Singapore , 1983
 Buku Teks
Braverman, Avishay
Credit rationing, tenancy, productivity, and dinamics inequality
World Bank, 1989
 Buku Teks
Ellinger, E.P.
Documentary letters of credit a comparative study/ E.P. Ellinger
University of Singapore Press, 1970
 Buku Teks SO