Purchase order examples
no. of copies and reference:
9788896157053 1 ref. Smith
88-904902-0-9 7 cat. 48/b
8890490217 1 for the office
no. of copies, without reference:
9788896157053 1
88-904902-0-9 7
8890490217 1
EAN13-ISBN only:
9788896157053
88-904902-0-9
8890490217