--am hk  chi
++000    00000nam a2200000 a 4500
++020    |a9623044399
++090    |a421 POT
++100 00 |aPotter, John
++245 00 |aSteps & Skills 4 : Intergated Listening, Reading & Writing Paper III Data File Book
++250    |aRev ed.
++260    |aHong Kong:|bWitman,|c1999.
++300    |a74 p.:|bill.;|c27 cm.
++500    |a1 Student Book, 1 Teacher's Book, 1 Data File Book + 6 Cassttes
++690    |aEnglish Language_英國語文