홈 / 책 찾기 / 판 고르기
판 3개, 최신 판부터
Kogan Page, Limited, 2007, ISBN 9780749482503
Chartered Institute of Personnel & Development, 2007, 무선(페이퍼백), ISBN 9781843981664
Chartered Institute of Personnel & Development, 2003, 무선(페이퍼백), ISBN 9780852929902