홈 / 책 찾기 / 판 고르기
판 5개, 최신 판부터
Read Books, 2011, ISBN 9781447427292
Stuttering Foundation of America, 2004, ISBN 9780933388451
Stuttering Foundation of America, 1993, ISBN 9780933388321
Speech Foundation of America, 1984, 양장(하드커버), ISBN 9780933388246
Speech Foundation of America, 1981, ISBN 9780933388178