--am hk  eng
++000    00000nam a2200000 a 4500
++090    |a425 POT
++100    |aPotter, John
++245 10 |aGrammar Explained 3 : Unit 14
++250    |a5th ed.
++260    |aHong Kong :|bLongman ,|c2003.
++300    |a1v.:|bill. ;|c26 cm.
++690    |aEnglish Language_英國語文
++700    |aVickers, Clare