7Michael Rowe"Letter of credit", London Euromoney pub. ( 1985 ). P. 42.
8Ventris. F. M. "Banker's Documentary Credit: Issued in Accordance with the Uniform Customs and Practice( 1974 Revision) of the International Chamber of Commerce", 2nd ed. Lloyds of London Press Ltd. (1983). P. 82 ～83.
9Finkelstein: "Legal Aspect of Commercial Letter of Credit", New York Columbia University Press(1930). P. 156.
