1.
|
New York : John Wiley & Sons, 1999.
English | D 84 GOL.C |
|
2.
|
Indianapolis, Ind. : New Riders, 2001, ©2002. First edition.
English | D 801 NIE.H |
|
3.
|
Oxford : Butterworth-Heinemann, 1999.
English | B 75 SKY.K |
|
4.
|
Cambridge, Ma : Perseus Publishing, 2001.
English | B 75 PAT.N |
|