国際 こくさい標準 ひょうじゅん図書 としょ番号 ばんごう

kokusaihyōjuntoshobangō

1. Not an ISBN.; Not a standard book number.

1. Was an International Standard Book Number.

1. International Standard Book Number with

1. International Standard Book Number; ISBN

1. It is not an ISBN.

1. It's not an ISBN.

1. Was the International Standard Book Number.

1. International Standard Book Number; ISBN

1. Is not an ISBN.; Is not an international standard book number.

1. Wasn't an ISBN.; Wasn't an international standard book number.

1. Probably an ISBN.

1. Was not an ISBN.; Was not an international standard book number.

1. It wasn't an ISBN.

1. Probably an ISBN.

1. Was not an ISBN.; Was not an international standard book number.

1. if it were the International Standard Book Number; if the International Standard Book Number were

1. If it is an International Standard Book Number; If the ISBN is…

1. If/when the ISBN is international standard…; If it’s an international standard book number…